Added CI and changed MyGet publish to develop branch only

Author: xperiandri

.github/workflows/build.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches-ignore:
       - master
+      - develop
 
 jobs:
   build:
@@ -18,11 +19,3 @@ jobs:
       run: |
         DOTNET_CLI_TELEMETRY_OPTOUT=1
         dotnet build --nologo --configuration Release
-        dotnet pack --no-build -c Release -o nuget
-    - name: MyGet push
-      run: |
-        source=https://www.myget.org/F/fsharp-collections-immutable/api/v3/index.json
-        key=${{secrets.MyGet_Key}}
-        dotnet nuget push -s $source -k $key nuget/*.nupkg
-
-

.github/workflows/publish_ci.yml

@@ -0,0 +1,26 @@
+name: publish to MyGet
+
+on:
+  push:
+    branches:
+      - develop
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+    - name: Build with dotnet
+      run: |
+        DOTNET_CLI_TELEMETRY_OPTOUT=1
+        dotnet build --nologo --configuration Release
+        dotnet pack --no-build -c Release -o nuget
+    - name: MyGet push
+      run: |
+        source=https://www.myget.org/F/fsharp-collections-immutable/api/v3/index.json
+        key=${{secrets.MyGet_Key}}
+        dotnet nuget push -s $source -k $key nuget/*.nupkg