Update CI to use git submodule

.github/workflows/dotnet-core.yml

@@ -1,24 +1,20 @@
 name: .NET Core
 
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-  workflow_dispatch:
-    branches: [ master ]
+on: [push, pull_request]
 
 jobs:
        
   build:
     strategy:
       matrix:
-        plugin: [MLFilter, OemKill]
+        plugin: [MLFilter, OemKill, TouchEmu]
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@master
+      with:
+        submodules: recursive
       
     - name: Setup ${{ matrix.net }}
       uses: actions/setup-dotnet@v1