feat: add missing project files and fix architecture compliance

- Add LICENSE file (MIT)
- Add CONTRIBUTING.md with generator-first workflow guidelines
- Add Makefile with comprehensive development commands
- Add .editorconfig for consistent code formatting
- Add CHANGELOG.md for version tracking
- Remove inconsistent non-variant files that bypassed generator architecture
- Fix installation script to use variant-specific paths (prevent config overwriting)

terminals/kitty/everforest-dark-medium.conf

@@ -0,0 +1,73 @@
+# Everforest theme for Kitty
+# Generated from template - do not edit manually
+
+# Basic colors
+foreground                      #d3c6aa
+background                      #2f383e
+selection_foreground            #d3c6aa
+selection_background            #374247
+
+# Cursor colors
+cursor                          #d3c6aa
+cursor_text_color               #2f383e
+
+# URL underline color when hovering with mouse
+url_color                       #7fbbb3
+
+# Kitty window border colors
+active_border_color             #7fbbb3
+inactive_border_color           #859289
+bell_border_color               #e67e80
+
+# OS Window titlebar colors
+wayland_titlebar_color          system
+macos_titlebar_color            system
+
+# Tab bar colors
+active_tab_foreground           #d3c6aa
+active_tab_background           #374247
+inactive_tab_foreground         #859289
+inactive_tab_background         #2f383e
+tab_bar_background              #2f383e
+
+# Colors for marks (marked text in the terminal)
+mark1_foreground #2f383e
+mark1_background #7fbbb3
+mark2_foreground #2f383e
+mark2_background #d699b6
+mark3_foreground #2f383e
+mark3_background #a7c080
+
+# The 16 terminal colors
+
+# black
+color0 #2f383e
+color8 #7a8478
+
+# red
+color1 #e67e80
+color9 #e67e80
+
+# green
+color2  #a7c080
+color10 #a7c080
+
+# yellow
+color3  #dbbc7f
+color11 #dbbc7f
+
+# blue
+color4  #7fbbb3
+color12 #7fbbb3
+
+# magenta
+color5  #d699b6
+color13 #d699b6
+
+# cyan
+color6  #83c092
+color14 #83c092
+
+# white
+color7  #d3c6aa
+color15 #d3c6aa