chore: clean up dotfiles and add gitignore whitelist

Switch to whitelist-based .gitignore to only track essential configs:
nvim, yazi, kitty, zsh, ideavim, karabiner, tmux, scripts, starship.
Remove history, compiled files, and plugin dirs from tracking.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

kitty/kitty.conf

@@ -1,5 +1,14 @@
 # Font Configuration
-font_family        MesloLGS NF
+# -- Uncomment one font_family line to switch fonts (reload with ctrl+shift+F5) --
+# font_family      MesloLGS NF
+# font_family      JetBrainsMono Nerd Font
+# font_family      MonaspaceNeon Nerd Font
+# font_family      MonaspaceArgon Nerd Font
+# font_family      MonaspaceXenon Nerd Font
+# font_family      MonaspaceRadon Nerd Font
+# font_family      MonaspaceKrypton Nerd Font
+font_family        Maple Mono NF
+# font_family      VulfMono Demo Regular
 bold_font          auto
 italic_font        auto
 bold_italic_font   auto
@@ -8,15 +17,25 @@ font_size          15
 # Font rendering improvements
 disable_ligatures  never
 font_features      MesloLGSNF +calt +liga
+# Nerd Font symbol fallback for fonts without glyphs (e.g. Vulf Mono)
+# symbol_map U+E000-U+F8FF,U+23FB-U+23FE,U+2665,U+26A1,U+F000-U+FFFD MesloLGS NF
 text_composition_strategy platform
 undercurl_style    thin-sparse
 
 # Cursor Configuration
-cursor_shape       beam
+cursor_shape       block
 cursor_beam_thickness 1.5
 cursor_underline_thickness 2.0
 cursor_blink_interval 0.5
 cursor_stop_blinking_after 15.0
+cursor_text_color background
+
+# Cursor trail (animated cursor movement)
+cursor_trail 1
+cursor_trail_decay 0.20 0.30
+# optional tweaks
+cursor_trail_start_threshold 20
+# cursor_trail_color red
 
 # Window Configuration  
 window_padding_width 0
@@ -58,7 +77,7 @@ include ./keymap.conf
 macos_show_window_title_in none
 
 # BEGIN_KITTY_THEME
-# Catppuccin-Macchiato
+# Catppuccin-Mocha
 include current-theme.conf
 # END_KITTY_THEME