Convert master docs to use MyST

docs/source/First-Steps-Coding.md

@@ -6,11 +6,11 @@ you can modify and overload the defaults easily. You should only need to do thes
 also walks through you making your first few tweaks.
 
 Before continuing, make sure you have Evennia installed and running by following the [Getting
-Started](Getting-Started) instructions. You should have initialized a new game folder with the
+Started](./Getting-Started.md) instructions. You should have initialized a new game folder with the
 `evennia --init foldername` command.  We will in the following assume this folder is called
 "mygame".
 
-It might be a good idea to eye through the brief [Coding Introduction](./Coding-Introduction) too
+It might be a good idea to eye through the brief [Coding Introduction](./Coding-Introduction.md) too
 (especially the recommendations in the section about the evennia "flat" API and about using `evennia
 shell` will help you here and in the future).
 
@@ -23,7 +23,7 @@ editors. We will assume these things are already familiar to you henceforth.
 ## Your First Changes
 
 Below are some first things to try with your new custom modules. You can test these to get a feel
-for the system. See also [Tutorials](./Tutorials) for more step-by-step help and special cases.
+for the system. See also [Tutorials](./Tutorials.md) for more step-by-step help and special cases.
 
 ### Tweak Default Character
 
@@ -57,13 +57,13 @@ up with a new command to view those attributes.
             return self.db.strength, self.db.agility, self.db.magic
     ```
 
-1. [Reload](./Start-Stop-Reload) the server (you will still be connected to the game after doing
+1. [Reload](./Start-Stop-Reload.md) the server (you will still be connected to the game after doing
 this). Note that if you examine *yourself* you will *not* see any new Attributes appear yet. Read
 the next section to understand why.
 
 #### Updating Yourself
 
-It's important to note that the new [Attributes](./Attributes) we added above will only be stored on
+It's important to note that the new [Attributes](./Attributes.md) we added above will only be stored on
 *newly* created characters. The reason for this is simple: The `at_object_creation` method, where we
 added those Attributes, is per definition only called when the object is *first created*, then never
 again. This is usually a good thing since those Attributes may change over time - calling that hook
@@ -112,8 +112,8 @@ what the `@update` command does under the hood). From in-game you can do the sam
 MyClass.objects.all()]
 ```
 
-See the [Object Typeclass tutorial](./Adding-Object-Typeclass-Tutorial) for more help and the
-[Typeclasses](./Typeclasses) and [Attributes](./Attributes) page for detailed documentation about
+See the [Object Typeclass tutorial](./Adding-Object-Typeclass-Tutorial.md) for more help and the
+[Typeclasses](./Typeclasses.md) and [Attributes](./Attributes.md) page for detailed documentation about
 Typeclasses and Attributes.
 
 #### Troubleshooting: Updating Yourself
@@ -159,7 +159,7 @@ tracebacks and you'll be able to resolve the vast majority of common errors easi
 ### Add a New Default Command
 
 The `@py` command used above is only available to privileged users. We want any player to be able to
-see their stats.  Let's add a new [command](./Commands) to list the abilities we added in the previous
+see their stats.  Let's add a new [command](./Commands.md) to list the abilities we added in the previous
 section.
 
 1. Open `mygame/commands/command.py`. You could in principle put your command anywhere but this
@@ -201,7 +201,7 @@ the bottom of this file:
         self.add(CmdAbilities())
     ```
 
-1. [Reload](./Start-Stop-Reload) the server (noone will be disconnected by doing this).
+1. [Reload](./Start-Stop-Reload.md) the server (noone will be disconnected by doing this).
 
 You (and anyone else) should now be able to use `abilities` (or its alias `abi`) as part of your
 normal commands in-game:
@@ -211,8 +211,8 @@ abilities
 STR: 5, AGI: 4, MAG: 2
 ```
 
-See the [Adding a Command tutorial](./Adding-Command-Tutorial) for more examples and the
-[Commands](./Commands) section for detailed documentation about the Command system.
+See the [Adding a Command tutorial](./Adding-Command-Tutorial.md) for more examples and the
+[Commands](./Commands.md) section for detailed documentation about the Command system.
 
 ### Make a New Type of Object
 
@@ -263,7 +263,7 @@ functionality. Here is an example of how the file could look:
 
 1. Check your code for bugs. Tracebacks will appear on your command line or log. If you have a grave
 Syntax Error in your code, the source file itself will fail to load which can cause issues with the
-entire cmdset. If so, fix your bug and [reload the server from the command line](./Start-Stop-Reload)
+entire cmdset. If so, fix your bug and [reload the server from the command line](./Start-Stop-Reload.md)
 (noone will be disconnected by doing this).
 1. Use `@create/drop stone:wiseobject.WiseObject` to create a talkative stone. If the `@create`
 command spits out a warning or cannot find the typeclass (it will tell you which paths it searched),
@@ -271,7 +271,7 @@ re-check your code for bugs and that you gave the correct path. The `@create` co
 for Typeclasses in `mygame/typeclasses/`.
 1. Use `look stone` to test. You will see the default description ("You see nothing special")
 followed by a random message of stony wisdom. Use `@desc stone = This is a wise old stone.` to make
-it look nicer. See the [Builder Docs](./Builder-Docs) for more information.
+it look nicer. See the [Builder Docs](./Builder-Docs.md) for more information.
 
 Note that `at_object_creation` is only called once, when the stone is first created. If you make
 changes to this method later, already existing stones will not see those changes. As with the
@@ -284,8 +284,8 @@ automatically to all existing objects.
 
 ## Where to Go From Here?
 
-There are more [Tutorials](./Tutorials), including one for building a [whole little MUSH-like
-game](Tutorial-for-basic-MUSH-like-game) - that is instructive also if you have no interest in
+There are more [Tutorials](./Tutorials.md), including one for building a [whole little MUSH-like
+game](./Tutorial-for-basic-MUSH-like-game.md) - that is instructive also if you have no interest in
 MUSHes per se. A good idea is to also get onto the [IRC
 chat](http://webchat.freenode.net/?channels=evennia) and the [mailing
 list](https://groups.google.com/forum/#!forum/evennia) to get in touch with the community and other