Add ubuntu test workflow

.github/workflows/ubuntu.yml

@@ -0,0 +1,20 @@
+# This workflow will build a Swift project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-swift
+
+name: Ubuntu
+
+on:
+	push:
+		branches: ["**"]
+
+jobs:
+	build:
+		runs-on: ubuntu-latest
+
+		steps:
+			- uses: swift-actions/setup-swift@v1
+			- uses: actions/checkout@v3
+			- name: Build for release
+				run: swift build -v -c release
+			- name: Test
+				run: swift test -v