Add Goreleaser config

Goreleaser will allow us to easily do releases for Gosbench

.gitignore

@@ -2,3 +2,4 @@
 testconf.yaml
 modd.conf
 main
+dist/

.goreleaser.yml

@@ -0,0 +1,59 @@
+# This is an example goreleaser.yaml 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 download
+    # you may remove this if you don't need go generate
+    # - go generate ./...
+builds:
+- id: server
+  dir: server
+  binary: server
+  goarch:
+    - amd64
+    - arm
+    - arm64
+  goarm:
+    - 6
+    - 7
+  env:
+    - CGO_ENABLED=0
+- id: worker
+  dir: worker
+  binary: worker
+  goarch:
+    - amd64
+    - arm
+    - arm64
+  goarm:
+    - 6
+    - 7
+  env:
+    - CGO_ENABLED=0
+archives:
+- replacements:
+    darwin: macOS
+    linux: Linux
+    windows: Windows
+    386: i386
+    amd64: x86_64
+  format_overrides:
+  - goos: windows
+    format: zip
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'
+signs:
+  - artifacts: checksum
+release:
+  draft: true
+  prerelease: true
+  disable: true