feat: add goreleaser for gt cli

Signed-off-by: Engin Diri <engin.diri@mail.schwarz>

.github/workflows/release.yaml

@@ -0,0 +1,26 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.17
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,34 @@
+project_name: gt
+
+snapshot:
+  name_template: '{{ .Tag }}-SNAPSHOT'
+
+before:
+  hooks:
+    - go mod tidy
+
+dist: bin
+
+builds:
+  - id: gt
+    env:
+      - CGO_ENABLED=0
+    main: ./cmd/gt
+    ldflags:
+      - -s
+      - -w
+      - -extldflags '-static'
+    goos:
+      - linux
+      - windows
+      - darwin
+    ignore:
+      - goos: windows
+        goarch: arm64
+    goarch:
+      - amd64
+      - arm64
+
+archives:
+  - format: binary
+    name_template: '{{ .ProjectName }}-{{ .Os }}-{{ .Arch }}'

README.md

@@ -26,10 +26,16 @@
 
 ### Install
 
+If you have Go 1.16+, you can directly install by running:
+
 ```bash
 go install github.com/schwarzit/go-template/cmd/gt@latest
 ```
 
+#### Install from the released binaries
+Download the desired version for your operating system and processor architecture from the [go-template releases page](https://github.com/SchwarzIT/go-template/releases). 
+Make the file executable and place it in a directory available in your $PATH.
+
 ### Initialize your repo from the template
 
 [![asciicast](https://asciinema.org/a/441624.svg)](https://asciinema.org/a/441624?autoplay=1&speed=2&size=medium)