Port to GitHub actions & publish to Terraform registry (#39)

* Port to GitHub actions

* Fix

* Make docs terraform registry compatible

.goreleaser.yml

@@ -0,0 +1,46 @@
+before:
+  hooks:
+    - go mod tidy
+builds:
+  - env:
+      # goreleaser does not work with CGO, it could also complicate
+      # usage by users in CI/CD systems like Terraform Cloud where
+      # they are unable to install libraries.
+      - CGO_ENABLED=0
+    mod_timestamp: '{{ .CommitTimestamp }}'
+    flags:
+      - -trimpath
+    ldflags:
+      - '-s -w -X main.version={{.Version}} -X main.commit={{.Commit}}'
+    goos:
+      - windows
+      - linux
+      - darwin
+    goarch:
+      - amd64
+      - '386'
+      - arm
+      - arm64
+    ignore:
+      - goos: darwin
+        goarch: '386'
+    binary: '{{ .ProjectName }}_v{{ .Version }}'
+archives:
+  - id: zip
+    format: zip
+    name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}'
+checksum:
+  name_template: '{{ .ProjectName }}_{{ .Version }}_SHA256SUMS'
+  algorithm: sha256
+signs:
+  - artifacts: checksum
+    args:
+      - "--batch"
+      - "--local-user"
+      - "{{ .Env.GPG_FINGERPRINT }}" # set this environment variable for your signing key
+      - "--output"
+      - "${signature}"
+      - "--detach-sign"
+      - "${artifact}"
+release:
+  draft: false