add arm builds o goreleaser config (fixes #244) (#245)

.goreleaser.yml

@@ -20,7 +20,13 @@ builds:
 
 - id: linux
   goos: [linux]
-  goarch: [amd64]
+  goarch:
+    - amd64
+    - arm
+    - arm64
+  goarm:
+    - 6
+    - 7
   # Make sure that cgo is disabled. See: https://golang.org/cmd/cgo/
   env:
     - CGO_ENABLED=0
@@ -60,7 +66,7 @@ archives:
   - id: nix
     builds: [macos, linux]
     # Generate the compresed files based on the following templates
-    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ .Arm }}"
     # All files will be in a single directory. For example: gatekeeper_0.0.1_linux_amd64
     wrap_in_directory: true
     # Replacement for the Platform name. Instead of have -darwin, replace by macOS