replace custom release with goreleaser

.goreleaser.yml

@@ -0,0 +1,32 @@
+# This is an example .goreleaser.yml file with some sane defaults.
+# Make sure to check the documentation at http://goreleaser.com
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod tidy
+    # you may remove this if you don't need go generate
+    - go generate ./...
+builds:
+  - binary: gitbrowse
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+    ldflags:
+      - -X github.com/mhristof/gitbrowse/cmd.version={{ .Version }}
+archives:
+  - replacements:
+      darwin: Darwin
+      linux: Linux
+    format: binary
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ incpatch .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'