add workflow and dependabot

.github/dependabot.yml

@@ -0,0 +1,23 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      all:
+        patterns:
+          - "*"
+
+  # Maintain dependencies for Golang
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      all:
+        patterns:
+          - "*"

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+# Source: https://github.com/actions/starter-workflows/blob/main/ci/go.yml
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+permissions:
+  contents: read
+
+jobs:
+  # Test golangci-lint for go-version define in go.mod
+  golangci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac #v4.0.0
+      - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe #v4.1.0
+        with:
+          go-version-file: go.mod
+          cache: false
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@3a919529898de77ec3da873e3063ca4b10e7f5cc #v3.7.0
+        with:
+          version: latest
+          only-new-issues: true