goreleaser: add config

Author: ekalinin

.gitignore

@@ -3,3 +3,5 @@
 TODO.md
 gh-md-toc
 build
+
+dist/

.goreleaser.yaml

@@ -0,0 +1,29 @@
+project_name: gh-md-toc
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod tidy
+builds:
+  - env:
+      - CGO_ENABLED=0
+    main: ./cmd/gh-md-toc
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - amd64
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'
+      - '^Makefile:'
+      - '^README:'
+      - '^gitignore:'
+      - '^goreleaser:'