Added lints for ERB templates (#609)

* Added erblint and fixed offenses

* Added erblint bintstub. Included erblint into CI

* Merged GitHub Actions tasks for rubocop and erblint into one

* Added config for erblint.

* Reverted erblint call in the CI

Gemfile.lock

@@ -148,6 +148,13 @@ GEM
       dotenv (= 3.1.0)
       railties (>= 6.1)
     drb (2.2.1)
+    erb_lint (0.5.0)
+      activesupport
+      better_html (>= 2.0.1)
+      parser (>= 2.7.1.4)
+      rainbow
+      rubocop
+      smart_properties
     erubi (1.12.0)
     et-orbi (1.2.11)
       tzinfo
@@ -418,6 +425,7 @@ DEPENDENCIES
   capybara
   debug
   dotenv-rails
+  erb_lint
   faraday
   good_job
   hotwire-livereload