add "lint and test" workflow

* First golangci-lint
* Then ensure we do not have atomic alignment problems on 32 bit

Author: twmb

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

@@ -0,0 +1,88 @@
+name: lint and test
+
+on:
+  push:
+    branches: ["*"]
+  pull_request:
+    branches: ["*"]
+
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  golangci:
+    if: github.repository == 'twmb/franz-go'
+    runs-on: ubuntu-latest
+    name: 'golangci-lint on amd64'
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.19.2
+      - uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest
+
+  vet-arm:
+    if: github.repository == 'twmb/franz-go'
+    needs: golangci
+    runs-on: ubuntu-latest
+    name: 'vet on arm'
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          path: "repo"
+      - uses: uraimo/run-on-arch-action@v2
+        with:
+          arch: armv6
+          distro: bullseye
+          githubToken: ${{ github.token }}
+          run: |
+            echo "updating"
+            apt-get -qq -y update
+            echo "installing wget"
+            apt-get -qq -y install wget
+            echo "downloading go"
+            wget --quiet https://go.dev/dl/go1.19.2.linux-armv6l.tar.gz
+            tar xzf go1.19.2.linux-armv6l.tar.gz
+            mkdir bins
+            export PATH=$(pwd)/go/bin:$(pwd)/bins:$PATH
+            export GOBIN=$(pwd)/bins
+            export CGO_ENABLED=0
+            cd repo
+            echo "go vet ./..."
+            go vet ./...
+            echo "installing staticcheck"
+            go install honnef.co/go/tools/cmd/staticcheck@latest
+            echo "staticcheck ./..."
+            staticcheck -checks 'all,-ST1003,-SA1012,-ST1016,-SA1019,-SA2001' ./... # actually contains atomicalign check
+
+# TODO: fix
+#  integration-test:
+#    if: github.repository == 'twmb/franz-go'
+#    needs: golangci
+#    runs-on: ubuntu-latest
+#    name: 'integration test kafka'
+#    container: golang:1.19.2
+#    services:
+#      zk:
+#        image: bitnami/zookeeper:latest
+#        ports:
+#          - 2181:2181
+#        env:
+#          ALLOW_ANONYMOUS_LOGIN: yes
+#      kafka:
+#        image: bitnami/kafka:latest
+#        ports:
+#          - 9092:9092
+#        env:
+#          ALLOW_PLAINTEXT_LISTENER: yes
+#          KAFKA_CFG_ZOOKEEPER_CONNECT: zk:2181
+#    steps:
+#      - uses: actions/checkout@v3
+#      - run: go test ./...
+#        env:
+#          KGO_TEST_RF: 1
+#          KGO_SEEDS: kafka:9092
+#          KGO_TEST_RECORDS: 50000