add goreleaser

.goreleaser.yml

@@ -0,0 +1,41 @@
+# This is an example goreleaser.yaml file with some sane defaults.
+# Make sure to check the documentation at http://goreleaser.com
+before:
+  hooks:
+    - go generate ./...
+builds:
+  - id: keypairs
+    main: ./cmd/keypairs/keypairs.go
+    env:
+      - CGO_ENABLED=0
+    flags:
+      - -mod=vendor
+    goos:
+      - linux
+      - windows
+      - darwin
+      - freebsd
+    goarch:
+      - amd64
+      - arm
+      - arm64
+archives:
+  - replacements:
+      386: i386
+      amd64: x86-64
+      arm64: aarch64
+    format_overrides:
+      - goos: windows
+        format: zip
+env_files:
+  github_token: ~/.config/goreleaser/github_token.txt
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'