Add GitHub actions

.github/workflows/main.yml

@@ -0,0 +1,20 @@
+name: RPM Build
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: build RPM package
+      id: rpm
+      uses: naveenrajm7/rpmbuild@master
+      with:
+        spec_file: "smartmet-data-models.spec"
+
+    - name: Upload artifact
+      uses: actions/[email protected]
+      with:
+        name: Binary RPM
+        path: ${{ steps.rpm.outputs.rpm_dir_path }}