Clean up shell init structure and add Zed editor config

- Remove .init/ directory and associated shell scripts
- Update .gitignore and .zshrc configurations
- Add Zed editor settings.json

.gitignore

@@ -8,7 +8,6 @@
 !.gitmodules
 !README.md
 !.editorconfig
-!*.env
 !.prettierrc
 !.prettierignore
 !package.json
@@ -36,6 +35,10 @@
 !biome.json
 !arty.yml
 
+!/.config/
+!/.config/zed/
+!/.config/zed/settings.json
+
 !/.github/
 !/.github/**