Add github workflow

.github/workflows/sourcemod-plugin.yml

@@ -0,0 +1,48 @@
+name: Compile with SourceMod
+
+on:
+  pull_request:
+    branches: master
+  push:
+    branches: master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set environment variables
+        run: echo SCRIPTS_PATH=$(pwd) >> $GITHUB_ENV
+      - name: Setup SourcePawn Compiler ${{ matrix.SM_VERSION }}
+        id: setup_sp
+        uses: rumblefrog/setup-sp@master
+        with:
+          version: '1.11.x'
+
+      - name: Checkout neotokyo include repo
+        uses: actions/checkout@v4
+        with:
+          repository: softashell/sourcemod-nt-include
+          path: sourcemod-nt-include
+
+      - name: Compile plugins
+        run: |
+          for file in ./scripting/*.sp
+          do
+            echo -e "\nCompiling $file..."
+            spcomp -E -w234 -O2 -v2 -i ./scripting/include -i ./sourcemod-nt-include/scripting/include $file
+          done
+          echo "===OUT FILES==="
+          ls
+          echo version = ${{ steps.setup_sp.outputs.plugin-version }}
+        working-directory: ${{ env.SCRIPTS_PATH }}
+      - name: Upload compiled plugins
+        uses: actions/upload-artifact@v4
+        with:
+          name: compiled-plugins
+          path: |
+            *.smx