Add github action and change magic shebang

.github/workflows/lint.yml

@@ -0,0 +1,22 @@
+---
+name: Lint Code Base
+on:
+  pull_request: ~
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Lint Code Base
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Lint Code Base
+        uses: mrcjkb/lua-typecheck-action@v0.2.0
+        with:
+          configpath: ".luarc.json"
+          directories: "."

.luarc.json

@@ -0,0 +1,8 @@
+{
+  "diagnostics":
+  {
+    "globals": [],
+    "neededFileStatus": { "codestyle-check": "Any" },
+  },
+  "runtime.version": "Lua 5.1",
+}

LuaRepl.app/Contents/MacOS/main.lua

@@ -1,10 +1,9 @@
 #!/bin/sh
-_=[[
+--[[ 2>/dev/null
 resources="$(dirname "$0")/../Resources"
 export LUA_PATH="$resources/?.lua;$resources/?/init.lua"
 exec "$resources/luajit" "$0" "$@"
-]]
-_ = nil
+--]]
 
 local objc = require("objc")
 local repl = require("repl")