docs: fix outdated references (#480)

* Update .env.example

* Update README.md

* Update bing_jailbreak_info.md

* Update heroku.md

* Update SECURITY.md

* Update CONTRIBUTING.md

* Update CODE_OF_CONDUCT.md

* Update LICENSE.md

* Update SECURITY.md

* Update coding_conventions.md

* Update documentation_guidelines.md

* Update testing.md

* Update heroku.md

* Update google_search.md

* Update introduction.md

* Update make_your_own.md

* Update stable_diffusion.md

* Update wolfram.md

* Update proxy.md

* Update user_auth_system.md

* Update bing_jailbreak_info.md

* Update multilingual_information.md

* Update project_origin.md

* Update tech_stack.md

* Update apis_and_tokens.md

* Update docker_install.md

* Update linux_install.md

* Update mac_install.md

* Update windows_install.md

* Update install.js

docs/install/linux_install.md

@@ -1,9 +1,7 @@
 # Linux Installation
-## **Recommended : [Docker Install](docker_install.md)**
-
-##
-
-## **Manual Installation**
+## **Recommended: [Docker Install](docker_install.md)**
+## 
+## **Manual Installation:**
 
 ## Prerequisites
 
@@ -109,6 +107,6 @@ If you update the chatgpt-clone project files, manually redo the npm ci and npm
 
 ### Note: If you're still having trouble, before creating a new issue, please search for similar ones on our [#issues thread on our discord](https://discord.gg/weqZFtD9C4) or our [troubleshooting discussion](https://github.com/danny-avila/LibreChat/discussions/new?category=troubleshooting) on our Discussions page. If you don't find a relevant issue, feel free to create a new one and provide as much detail as possible.
 
-##
+---
 
 ## [Go Back to ReadMe](../../README.md)