Update Available / Enabled Modules & Rainbow Mode

- Add rainbow mode
- Update `init.el` with latest version from upstream
- Disable `doom-quit`
- Enable `ibuffer`
- Add `hunspell` and `everywhere` flags to `spell`
- Enable `debugger` with `lsp` flag
- Enable `docker`
- Disable `rgb` as it is deprecated
- Enable `java`
- Enable `rust`
- Add `lsp` flag for `haskell`
- Add `lsp` flag for `json`
- Add `dragndrop` and `jupyter` flags to `org`
- Replace `fish-mode` package with `fish` flag for `sh`
- Add `lsp` flag for `yaml`
- Fix projectile project search paths
- Add and configure global Rainbow Mode

packages.el

@@ -2,7 +2,7 @@
 ;;; $DOOMDIR/packages.el
 
 (package! org-auto-tangle)
-(package! fish-mode)
 (package! git-modes)
 (package! vimrc-mode)
 (package! prettier-js)
+(package! rainbow-mode)