add ruby files to enable linting (#97)

.rubocop.yml

@@ -0,0 +1,2 @@
+inherit_gem:
+  rubocop-discourse: stree-compat.yml

.streerc

@@ -0,0 +1,2 @@
+--print-width=100
+--plugins=plugin/trailing_comma,plugin/disable_auto_ternary

Gemfile

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+group :development do
+  gem "rubocop-discourse"
+  gem "syntax_tree"
+end

Gemfile.lock

@@ -0,0 +1,89 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (7.1.3.3)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      mutex_m
+      tzinfo (~> 2.0)
+    ast (2.4.2)
+    base64 (0.2.0)
+    bigdecimal (3.1.8)
+    concurrent-ruby (1.2.3)
+    connection_pool (2.4.1)
+    drb (2.2.1)
+    i18n (1.14.5)
+      concurrent-ruby (~> 1.0)
+    json (2.7.2)
+    language_server-protocol (3.17.0.3)
+    minitest (5.23.1)
+    mutex_m (0.2.0)
+    parallel (1.24.0)
+    parser (3.3.1.0)
+      ast (~> 2.4.1)
+      racc
+    prettier_print (1.2.1)
+    racc (1.8.0)
+    rack (3.0.11)
+    rainbow (3.1.1)
+    regexp_parser (2.9.2)
+    rexml (3.3.6)
+      strscan
+    rubocop (1.64.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    rubocop-capybara (2.20.0)
+      rubocop (~> 1.41)
+    rubocop-discourse (3.8.0)
+      activesupport (>= 6.1)
+      rubocop (>= 1.59.0)
+      rubocop-capybara (>= 2.0.0)
+      rubocop-factory_bot (>= 2.0.0)
+      rubocop-rails (>= 2.25.0)
+      rubocop-rspec (>= 2.25.0)
+    rubocop-factory_bot (2.25.1)
+      rubocop (~> 1.41)
+    rubocop-rails (2.25.0)
+      activesupport (>= 4.2.0)
+      rack (>= 1.1)
+      rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    rubocop-rspec (2.29.2)
+      rubocop (~> 1.40)
+      rubocop-capybara (~> 2.17)
+      rubocop-factory_bot (~> 2.22)
+      rubocop-rspec_rails (~> 2.28)
+    rubocop-rspec_rails (2.28.3)
+      rubocop (~> 1.40)
+    ruby-progressbar (1.13.0)
+    strscan (3.1.0)
+    syntax_tree (6.2.0)
+      prettier_print (>= 1.2.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.5.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rubocop-discourse
+  syntax_tree
+
+BUNDLED WITH
+   2.5.10