ci: add LÖVE package to test workflow

Author: S1M0N38

.github/workflows/test.yml

@@ -13,11 +13,11 @@ jobs:
           - os: ubuntu-latest
             rev: nightly/nvim-linux64.tar.gz
             manager: sudo apt-get
-            packages: -y ripgrep
+            packages: -y ripgrep love
           - os: ubuntu-latest
             rev: v0.9.0/nvim-linux64.tar.gz
             manager: sudo apt-get
-            packages: -y ripgrep
+            packages: -y ripgrep love
     steps:
       - uses: actions/checkout@v3
       - run: date +%F > todays-date
@@ -29,6 +29,7 @@ jobs:
 
       - name: Prepare
         run: |
+          sudo add-apt-repository ppa:bartbes/love-stable
           ${{ matrix.manager }} update
           ${{ matrix.manager }} install ${{ matrix.packages }}
           test -d _neovim || {

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "love2d"]
+	path = love2d
+	url = https://github.com/LuaCATS/love2d