Refactor: moving injects and start the parser

- moving all the inject functions inside its proper folder
- starting the parser refactoring

lua/codetyper/utils/get_config.lua

@@ -0,0 +1,14 @@
+local M = {}
+
+-- Get current codetyper configuration at call time
+function M.get_config()
+  local ok, codetyper = pcall(require, "codetyper")
+  if ok and codetyper.get_config then
+    return codetyper.get_config() or {}
+  end
+  -- Fall back to defaults if codetyper isn't available
+  local defaults = require("codetyper.config.defaults")
+  return defaults.get_defaults()
+end
+
+return M