Set-up GH Actions for CI

.github/workflows/lint.yaml

@@ -0,0 +1,18 @@
+---
+name: Lint
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  golangci:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.39
+          only-new-issues: true

.github/workflows/test.yaml

@@ -0,0 +1,44 @@
+---
+name: Test
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: Unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '1.17.x'
+      - name: Build binary
+        run: go build
+      - name: Run tests
+        run: go test -v ./...
+  integration:
+    name: Integration tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '1.17.x'
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
+      - name: Install cram
+        run: pip install cram --user
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Build binary
+        run: go build
+      - name: Run tests
+        run: PATH=$PWD:$PATH cram -v tests/*.t