added github CI

.github/workflows/release_binaries.yaml

@@ -0,0 +1,48 @@
+name: Release Go project
+
+on:
+  push:
+    tags:
+      - "*"
+
+builds:
+  - main: ./cmd/slowql-digest/
+    id: "digest"
+    binary: digest
+    goos:
+      - linux
+      - darwin
+      - windows
+
+  - main: ./cmd/slowql-replayer/
+    id: "replayer"
+    binary: replayer
+    goos:
+      - linux
+      - darwin
+      - windows
+
+jobs:
+  build:
+    name: GoReleaser build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go 1.16
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+        id: go
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}