integrating goreleaser action. (#19)

* added .goreleaser.yml.

* fixed typo in .goreleaser.yml.

* Update release.yml

.github/workflows/release.yml

@@ -1,8 +1,9 @@
 name: goreleaser
 
 on:
-  pull_request:
   push:
+    tags:
+      - v*.*.*
 
 jobs:
   goreleaser:

.goreleaser.yml

@@ -0,0 +1,61 @@
+# This is an example goreleaser.yaml file with some sane defaults.
+# Make sure to check the documentation at http://goreleaser.com
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod download
+    # you may remove this if you don't need go generate
+    - go generate ./...
+builds:
+- env:
+  - CGO_ENABLED=0
+archives:
+- replacements:
+    darwin: Darwin
+    linux: Linux
+    windows: Windows
+    386: i386
+    amd64: x86_64
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'
+
+release:
+  # Repo in which the release will be created.
+  # Default is extracted from the origin remote URL or empty if its private hosted.
+  # Note: it can only be one: either github or gitlab or gitea
+  github:
+    owner: timothystiles
+    name: poly
+
+  # IDs of the archives to use.
+  # Defaults to all.
+  # ids:
+  #   - foo
+  #   - bar
+
+  # If set to true, will not auto-publish the release.
+  # Default is false.
+  draft: true
+
+  # If set to auto, will mark the release as not ready for production
+  # in case there is an indicator for this in the tag e.g. v1.0.0-rc1
+  # If set to true, will mark the release as not ready for production.
+  # Default is false.
+  prerelease: auto
+
+  # You can change the name of the GitHub release.
+  # Default is `{{.Tag}}`
+  name_template: "{{.ProjectName}}-v{{.Version}} {{.Env.USER}}"
+
+  # You can disable this pipe in order to not upload any artifacts to
+  # GitHub.
+  # Defaults to false.
+  # disable: true