Add link to docs

Author: andyw8

README.md

@@ -15,15 +15,23 @@ group :development do
 end
 ```
 
+
 ## Usage
 
+file:///Users/andyw8/src/github.com/Shopify/ruby-lsp-rails/docs/RubyLsp/Rails.html
+
 ### Hover to reveal ActiveRecord schema
 
 1. Start your Rails server
 1. Hover over an ActiveRecord model to see its details
 
 Nested models (e.g. `Admin::User`) are not yet supported.
 
+### Documentation
+
+See the [documentation](https://shopify.github.io/ruby-lsp-rails) for more in-depth details about the
+[supported features](https://shopify.github.io/ruby-lsp/RubyLsp/Rails.html).
+
 ### Running Tests
 
 1. Open a test which inherits from `ActiveSupport::TestCase` or one if its descendants, such as `ActionDispatch::IntegrationTest`.

lib/ruby-lsp-rails.rb

@@ -8,6 +8,10 @@
 require "ruby_lsp_rails/railtie"
 
 module RubyLsp
+  # # Supported features
+  #
+  # - [Hover](rdoc-ref:RubyLsp::Rails::Hover)
+  # - [CodeLens](rdoc-ref:RubyLsp::Rails::CodeLens)
   module Rails
   end
 end