Add linter workflow

.reviewdog.yml

@@ -0,0 +1,14 @@
+---
+runner:
+  brakeman:
+    cmd: bin/brakeman
+    level: info
+  fasterer:
+    cmd: bin/fasterer
+    level: info
+  reek:
+    cmd: bin/reek
+    level: info
+  rubocop:
+    cmd: bin/rubocop
+    level: info