add github actions (#96)

## tl;dr

- Adds Github actions
- Adds shellcheck script
- Updates vscode config to use the correct lint tool

.github/workflows/lint.yml

@@ -0,0 +1,25 @@
+name: Lint
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+permissions:
+  contents: read
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: shellcheck
+        run: |
+          sudo apt-get -y install tree
+          dev/lint-shellcheck
+      - uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          args: --timeout=5m --config dev/.golangci.yaml

.github/workflows/test.yml

@@ -0,0 +1,33 @@
+name: Test
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+      - run: dev/docker/up
+      - name: Run Tests
+        run: |
+          export GOPATH="${HOME}/go/"
+          export PATH="${PATH}:${GOPATH}/bin"
+          go install github.com/jstemmer/go-junit-report/v2@latest
+          go test -v ./... | go-junit-report -set-exit-code -iocopy -out report.xml
+      - name: Run Race Tests
+        run: |
+          export GOPATH="${HOME}/go/"
+          export PATH="${PATH}:${GOPATH}/bin"
+          go test -v ./... -race
+      - uses: datadog/junit-upload-github-action@v1
+        with:
+          api-key: ${{ secrets.DD_API_KEY }}
+          service: xmtp-node-go
+          files: report.xml
+          env: ci

.vscode/settings.json

@@ -1,4 +1,6 @@
 {
+  "go.lintTool": "golangci-lint",
+  "go.lintFlags": ["--fast"],
   "pgFormatter.typeCase": "uppercase",
   "pgFormatter.tabs": true,
   "[sql]": {

dev/lint-shellcheck

@@ -0,0 +1,5 @@
+#!/bin/bash
+set -e
+
+read -ra shellcheck_paths <<< "$(grep -rIzl '^#!' dev)"
+shellcheck -x "${shellcheck_paths[@]}"