Add Go releaser

.goreleaser.yaml

@@ -1,3 +1,27 @@
+project_name: rke2diff
+release:
+  github:
+    owner: mikejoh
+    name: rke2diff
+  name_template: 'v{{.Tag}}'
 builds:
-  - main: ./cmd/rke2diff/
+  - id: rke2diff
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+    targets:
+      - linux_amd64_v1
+      - darwin_amd64_v1
+      - windows_amd64_v1
+    dir: .
+    main: ./cmd/rke2diff/
+    binary: rke2diff
+    builder: go
+    gobinary: go
+    command: build
+    ldflags:
+      - -s -w -X=github.com/mikejoh/rke2diff/internal/buildinfo.Version={{ .Version }} -X=github.com/mikejoh/rke2diff/internal/buildinfo.Name=rke2diff -X=github.com/mikejoh/rke2diff/internal/buildinfo.GitSHA={{ .Commit }}
 dist: ./build