feat: initial release of codetyper.nvim v0.2.0

AI-powered coding partner for Neovim with LLM integration.

Features:
- Split view for coder files (*.coder.*) and target files
- Tag-based prompts with /@ and @/ syntax
- Claude API and Ollama (local) LLM support
- Smart prompt detection (refactor, add, document, explain)
- Automatic code injection into target files
- Project tree logging (.coder/tree.log)
- Auto .gitignore management

Ask Panel (chat interface):
- Fixed at 1/4 screen width
- File attachment with @ key
- Ctrl+n for new chat
- Ctrl+Enter to submit
- Proper window close behavior
- Navigation with Ctrl+h/j/k/l

Commands: Coder, CoderOpen, CoderClose, CoderToggle,
CoderProcess, CoderAsk, CoderTree, CoderTreeView

lua/codetyper/init.lua

@@ -0,0 +1,69 @@
+---@mod codetyper Codetyper.nvim - AI-powered coding partner
+---@brief [[
+--- Codetyper.nvim is a Neovim plugin that acts as your coding partner.
+--- It uses LLM APIs (Claude, Ollama) to help you write code faster
+--- using special `.coder.*` files and inline prompt tags.
+---@brief ]]
+
+local M = {}
+
+---@type CoderConfig
+M.config = {}
+
+---@type boolean
+M._initialized = false
+
+--- Setup the plugin with user configuration
+---@param opts? CoderConfig User configuration options
+function M.setup(opts)
+  if M._initialized then
+    return
+  end
+
+  local config = require("codetyper.config")
+  M.config = config.setup(opts)
+
+  -- Initialize modules
+  local commands = require("codetyper.commands")
+  local gitignore = require("codetyper.gitignore")
+  local autocmds = require("codetyper.autocmds")
+  local tree = require("codetyper.tree")
+
+  -- Register commands
+  commands.setup()
+
+  -- Setup autocommands
+  autocmds.setup()
+
+  -- Ensure .gitignore has coder files excluded
+  gitignore.ensure_ignored()
+
+  -- Initialize tree logging (creates .coder folder and initial tree.log)
+  tree.setup()
+
+  M._initialized = true
+
+  -- Auto-open Ask panel after a short delay (to let UI settle)
+  if M.config.auto_open_ask then
+    vim.defer_fn(function()
+      local ask = require("codetyper.ask")
+      if not ask.is_open() then
+        ask.open()
+      end
+    end, 300)
+  end
+end
+
+--- Get current configuration
+---@return CoderConfig
+function M.get_config()
+  return M.config
+end
+
+--- Check if plugin is initialized
+---@return boolean
+function M.is_initialized()
+  return M._initialized
+end
+
+return M