tech(build): create sha files for windows build

appveyor.yml

@@ -25,6 +25,7 @@ install:
 build_script:
   - go run build.go build
   - grunt release
+  - go run build.go sha1-dist
   - cp dist/* .
 
 artifacts:

build.go

@@ -98,6 +98,9 @@ func main() {
 			createDebPackages()
 			sha1FilesInDist()
 
+    case "sha1-dist":
+      sha1FilesInDist()
+
 		case "latest":
 			makeLatestDistCopies()
 			sha1FilesInDist()