refactor: adjust hyprland, kitty, and nvim settings

- hyprland: add hy3 plugin config, prefer kitty terminal, change shift+exit to E
- kitty: reduce font size to 10.5
- nvim: change indent width to 2 spaces
- nvim: replace avante with parrot (Ollama provider)
- nvim: temporarily disable treesitter install

.config/kitty/kitty.conf

@@ -1,4 +1,4 @@
-font_size 11.5
+font_size 10.5
 
 #text_composition_strategy legacy
 #modify_font cell_width 95%