feat: Local Lua Debugger support for VSCode! (#671)

* Added Local Lua Debugger support for VSCode!

* Add README credit

* Don't know the syntax lol

* Okay ignore this

README.md

@@ -66,6 +66,7 @@
 - Smooth Walk Elevation Feature by [@SkullzOTS](https://github.com/SkullzOTS)
   - View Feature: [Gyazo](https://i.gyazo.com/af0ed0f15a9e4d67bd4d0b2847bd6be7.gif)
   - To enable just go to [modules/game_features/features.lua](https://github.com/mehah/otclient/blob/main/modules/game_features/features.lua#L5), and uncomment line 5 (g_game.enableFeature(GameSmoothWalkElevation)).
+- Lua Debugger for VSCode [see wiki](https://github.com/mehah/otclient/wiki/Lua-Debugging-(VSCode)) [@BenDol](https://github.com/BenDol)
 
 ##### Sponsored  (Features)
 - Shader with Framebuffer | ([@SkullzOTS](https://github.com/SkullzOTS), [@Mryukiimaru](https://github.com/Mryukiimaru), [@JeanTheOne](https://github.com/JeanTheOne), [@KizaruHere](https://github.com/KizaruHere))

init.lua

@@ -24,6 +24,14 @@ g_logger.info(g_app.getName() .. ' ' .. g_app.getVersion() .. ' rev ' .. g_app.g
     g_app.getBuildCommit() .. ') built on ' .. g_app.getBuildDate() .. ' for arch ' ..
     g_app.getBuildArch())
 
+-- setup lua debugger
+if os.getenv("LOCAL_LUA_DEBUGGER_VSCODE") == "1" then
+  require("lldebugger").start()
+  g_logger.debug("Started LUA debugger.")
+else
+  g_logger.debug("LUA debugger not started (not launched with VSCode local-lua).")
+end
+
 -- add data directory to the search path
 if not g_resources.addSearchPath(g_resources.getWorkDir() .. 'data', true) then
     g_logger.fatal('Unable to add data directory to the search path.')