Reorganized Docs. In Progress.

docs/DragDrop/Drag-Drop.md

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+## Roles
+
+It depends on role of user what drag drop is allowed https://github.com/wekan/wekan/wiki/REST-API-Role
+
+## Mobile Drag Drop
+
+1. Click `Drag Handle Enabled/Disabled` button to enable drag handles
+
+2. Use drag handles to move Board Icons, Swimlanes, MiniCards, Lists, Checklists, Checklist Items.
+
+3. Use non-drag-handle area to to view other parts of board, by dragging board up/down/left/right, without moving any icons etc.
+
+<img src="https://wekan.github.io/dragdrop/mobile-drag-drop.png" width="40%" alt="Wekan logo" />
+
+## 2 or more external screens of desktop or mobile
+
+For each screen, you can enable or disable drag handles, because that setting is stored in browser localstorage, not to database. https://github.com/wekan/wekan/issues/4715
+
+Because this feature was added, `Drag Handle Enabled/Disabled` was moved to current place shown in above screenshot. https://github.com/wekan/wekan/issues/4734
+
+## All Boards page
+
+Reorder with drag drop:
+- Board Icons
+
+## One Board page
+
+Reorder with drag drop:
+
+- Swimlanes
+- Lists
+- MiniCards. MiniCard is card, that is not click opened to view card contents.
+- Opened Card: Checklists
+- Opened Card: Checklist Items
+
+## Drag code examples
+
+- Draggable objects
+  - https://www.redblobgames.com/making-of/draggable/
+  - https://news.ycombinator.com/item?id=37703291
+- Fixed Drag at Ubuntu Touch Morph browser https://github.com/wekan/wekan/commit/af63259f091cb2ade84493a288ea37c53cd37321

docs/DragDrop/Touch-Screen-support.md

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+# Enabling all Touch Screen Support
+
+## 1) Wekan / Click right top your username / Change Settings / Show Desktop Drag Handles
+
+Then you can drag cards with touch screen, for example at Android/iOS/desktop touch screen.
+
+- [Wekan Drag Handle issue](https://github.com/wekan/wekan/issues/3755)
+
+## 2) Enable touch screen support of Chrome/Chromium/Chromium Edge
+
+Change the target inside properties in the Google Chrome shortcut by adding "--touch-events" in the end of the address.
+```
+Chrome shortcut > Properties >
+Target: "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --touch-events
+```
+And similarly at other non-Windows operating systems, by modifying shortcut.
+
+- [Chrome touch at Google Support](https://support.google.com/chrome/thread/18609718/how-to-get-drag-drop-working-with-touch-screen-working-on-latest-version-of-chrome?hl=en)
+- [Chrome touch Wekan discussion](https://github.com/wekan/wekan/discussions/3958)
+- [Chrome/Chromium/Chromium Edge Touch issue](https://github.com/wekan/wekan/discussions/3958)