docs: cleanup/polish Markdown files (#5038)

Fixed some language ✨stuff✨.
    Added alternative to httpbin.
    Updated expected space requirement on Windows.
    Removed unused VS component on Windows.
    Moved Qt Creator formatting to Windows docs.
    Updated nativs link to Qt 6.
    Added missing language to code blocks.
    Removed # Description from PR template and added instructions to fix a GitHub issue.

Co-authored-by: Wissididom <30803034+Wissididom@users.noreply.github.com>
Co-authored-by: pajlada <rasmus.karlsson+github@pajlada.com>

docs/wip-plugins.md

@@ -45,7 +45,7 @@ An example plugin is available at [https://github.com/Mm2PL/Chatterino-test-plug
 
 If you prefer, you may use [TypescriptToLua](https://typescripttolua.github.io)
 to typecheck your plugins. There is a `chatterino.d.ts` file describing the API
-in this directory. However this has several drawbacks like harder debugging at
+in this directory. However, this has several drawbacks like harder debugging at
 runtime.
 
 ## API
@@ -161,7 +161,7 @@ See [official documentation](https://www.lua.org/manual/5.4/manual.html#pdf-load
 #### `require(modname)`
 
 This is Lua's [`require()`](https://www.lua.org/manual/5.3/manual.html#pdf-require) function.
-However the searcher and load configuration is notably different than default:
+However, the searcher and load configuration is notably different from the default:
 
 - Lua's built-in dynamic library searcher is removed,
 - `package.path` is not used, in its place are two searchers,