ci: add semantic release

closes #4

.github/workflows/golang.yml

@@ -0,0 +1,40 @@
+name: Golang
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - "**.go"
+  pull_request:
+    branches:
+      - master
+
+
+
+jobs:
+  golangci:
+    strategy:
+      matrix:
+        go-version: [1.14.x,1.16.x]
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/[email protected]
+        with:
+          version: v1.29
+
+  release:
+    needs: golangci
+    if: github.event_name == "push"
+    runs-on: ubuntu-latest 
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: go-semantic-release
+        uses: go-semantic-release/[email protected]
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}