fix: add goreleaser config to specify build main path

.goreleaser.yaml

@@ -0,0 +1,46 @@
+version: 2
+project_name: golang-template
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - id: app
+    env:
+      - CGO_ENABLED=0
+    main: ./cmd/app
+    binary: app
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+
+archives:
+  - format: tar.gz
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+    format_overrides:
+      - goos: windows
+        format: zip
+
+checksum:
+  name_template: 'checksums.txt'
+
+snapshot:
+  version_template: "{{ incpatch .Version }}-next"
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'