feat(v1.1.0): major refactor with modular architecture and plugin support

- Add config.lua for comprehensive configuration options
  (transparent, italic_comments, bold_keywords, bold_functions, bold_types, terminal_colors)
- Add highlights.lua with 500+ highlight groups for 30+ plugins
  (Telescope, NvimTree, Neo-tree, GitSigns, nvim-cmp, Lazy.nvim, Mason, etc.)
- Add colors/ directory for :colorscheme command support
- Add terminal colors (16-color palette for :terminal)
- Add test suite (test/test_colors.lua)
- Add development tools (selene.toml, stylua.toml, vim.toml)
- Add CHANGELOG.md following Keep a Changelog format

- Fix colors.lua not being used by init.lua
- Fix setup(opts) not applying configuration options
- Fix README referencing non-existent files

- Update documentation with accurate file structure and API docs

.gitignore

@@ -1,8 +1,8 @@
-### Lua ###
-# Compiled Lua sources
+# Lua compiled sources
 luac.out
+*.luac
 
-# luarocks build files
+# LuaRocks build files
 *.src.rock
 *.zip
 *.tar.gz
@@ -40,5 +40,22 @@ luac.out
 *.x86_64
 *.hex
 
+# Neovim
+.nvim.lua
+.nvimrc
+.exrc
 
-# End of https://www.toptal.com/developers/gitignore/api/lua
+# Editor specific
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Testing
+.tests/
+coverage/
+
+# Documentation build
+doc/tags