erb_linting (#637)

* setup lint

* lint pass

* gh ci/cd lint

* okay nvm our code is shit

Gemfile.lock

@@ -105,6 +105,13 @@ GEM
     autotuner (1.1.0)
     base64 (0.3.0)
     bcrypt_pbkdf (1.1.1)
+    better_html (2.2.0)
+      actionview (>= 7.0)
+      activesupport (>= 7.0)
+      ast (~> 2.0)
+      erubi (~> 1.4)
+      parser (>= 2.4)
+      smart_properties
     bigdecimal (3.3.1)
     bindex (0.8.1)
     bootsnap (1.19.0)
@@ -154,6 +161,13 @@ GEM
     drb (2.2.3)
     ed25519 (1.4.0)
     erb (6.0.0)
+    erb_lint (0.9.0)
+      activesupport
+      better_html (>= 2.0.1)
+      parser (>= 2.7.1.4)
+      rainbow
+      rubocop (>= 1)
+      smart_properties
     erubi (1.13.1)
     et-orbi (1.4.0)
       tzinfo
@@ -487,6 +501,7 @@ GEM
       gli
       hashie
       logger
+    smart_properties (1.17.0)
     solid_cable (3.0.12)
       actioncable (>= 7.2)
       activejob (>= 7.2)
@@ -587,6 +602,7 @@ DEPENDENCIES
   debug
   doorkeeper (~> 5.8)
   dotenv-rails
+  erb_lint
   flamegraph
   flipper
   flipper-active_record