Add lint and test action

.github/workflows/lint-and-test.yaml

@@ -0,0 +1,33 @@
+name: Lint and Test
+on: [push, pull_request, workflow_dispatch]
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Ruby
+        uses: actions/setup-ruby@v1
+        with:
+          ruby-version: 2.6
+      - name: Install dependencies
+        run: |
+          bundle install --jobs 4 --retry 3
+      - name: Lint with Rubocop
+        run: |
+          bundle exec rubocop --parallel
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          node-version: 2.1
+      - name: Install dependencies
+        run: |
+          bundle install --jobs 4 --retry 3
+      - name: Test octofacts
+        run: |
+          bundle exec rake octofacts:spec:octofacts
+      - name: Test octofacts_updater
+        run: |
+          bundle exec rake octofacts:spec:octofacts_updater

.gitignore

@@ -52,3 +52,6 @@ build-iPhoneSimulator/
 
 # unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
 .rvmrc
+
+# JetBrains
+.idea/**