feat(config): add ghostty terminal and refactor neovim configuration

- Add ghostty terminal configuration with custom themes and settings
- Add multiple color themes (ayu-dark, catppuccin variants, moonfly)
- Configure ghostty appearance: font, opacity, keybindings
- Refactor nvim basic setup to use modern vim.opt API
- Modernize LSP configuration with LspAttach autocmd
- Update nvim-tree configuration for latest API
- Simplify codecompanion plugin setup
- Pin nvim-treesitter to main branch
- Improve sway-dbus script with XDG runtime checks

home/dot_config/ghostty/themes/moonfly-default

@@ -0,0 +1,22 @@
+background = #080808
+foreground = #bdbdbd
+selection-background = #b2ceee
+selection-foreground = #080808
+cursor-color = #9e9e9e
+cursor-text = #080808
+palette = 0=#323437
+palette = 1=#ff5454
+palette = 2=#8cc85f
+palette = 3=#e3c78a
+palette = 4=#80a0ff
+palette = 5=#cf87e8
+palette = 6=#79dac8
+palette = 7=#c6c6c6
+palette = 8=#949494
+palette = 9=#ff5189
+palette = 10=#36c692
+palette = 11=#c6c684
+palette = 12=#74b2ff
+palette = 13=#ae81ff
+palette = 14=#85dc85
+palette = 15=#e4e4e4