source yoyoengine from fetchcontent, and re-add compile tests #1

	name: Compilation Tests

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build-gcc:
	name: Build with GCC
	runs-on: ubuntu-latest

	steps:
	- name: Install dependencies
	run: sudo apt update && sudo apt-get install -y gcc cmake make

	- name: Checkout code
	uses: actions/checkout@v4

	- name: Cache Fetchcontent
	id: cache-fetchcontent
	uses: actions/cache@v4
	with:
	path: ${{ github.workspace }}/build/_deps/*-src
	key: ${{ runner.os }}-fetchcontent-${{ hashFiles('**/yoyoeditor/CMakeLists.txt') }}

	- name: Configure with CMake
	run: \|
	mkdir -p ${{ github.workspace }}/build
	cd ${{ github.workspace }}/build
	CC=gcc cmake -DBUILD_LUA_RUNTIME=OFF ..
	- name: Build with GCC
	run: \|
	cd ${{ github.workspace }}/build
	make -j${nproc}
	build-clang:
	name: Build with Clang
	runs-on: ubuntu-latest

	steps:
	- name: Install dependencies
	run: sudo apt update && sudo apt-get install -y clang cmake make

	- name: Checkout code
	uses: actions/checkout@v4

	- name: Cache Fetchcontent
	id: cache-fetchcontent
	uses: actions/cache@v4
	with:
	path: ${{ github.workspace }}/build/_deps/*-src
	key: ${{ runner.os }}-fetchcontent-${{ hashFiles('**/yoyoeditor/CMakeLists.txt') }}

	- name: Configure with CMake
	run: \|
	mkdir -p ${{ github.workspace }}/build
	cd ${{ github.workspace }}/build
	CC=clang cmake -DBUILD_LUA_RUNTIME=OFF ..

	- name: Build with Clang
	run: \|
	cd ${{ github.workspace }}/build
	make -j${nproc}

Provide feedback