Update code lenses provider documentation

Author: Étienne Lévesque

apps/language_server/lib/language_server/providers/code_lens.ex

@@ -1,13 +1,10 @@
 defmodule ElixirLS.LanguageServer.Providers.CodeLens do
   @moduledoc """
-  Collects the success typings inferred by Dialyzer, translates the syntax to Elixir, and shows them
-  inline in the editor as @spec suggestions.
+  Provides different code lenses to the client.
 
-  The server, unfortunately, has no way to force the client to refresh the @spec code lenses when new
-  success typings, so we let this request block until we know we have up-to-date results from
-  Dialyzer. We rely on the client being able to await this result while still making other requests
-  in parallel. If the client is unable to perform requests in parallel, the client or user should
-  disable this feature.
+  Supports the following code lenses:
+  * Suggestions for Dialyzer @spec definitions
+  * Shortcuts for executing tests
   """
 
   alias ElixirLS.LanguageServer.Providers.CodeLens

apps/language_server/lib/language_server/providers/code_lens/test.ex

@@ -1,4 +1,13 @@
 defmodule DescribeBlock do
+  @moduledoc """
+  Identifies test execution targets and provides code lenses for automatically executing them.
+
+  Supports the following execution targets:
+  * Test modules (any module that imports ExUnit.Case)
+  * Describe blocks (any call to describe/2 inside a test module)
+  * Test blocks (any call to test/2 or test/3 inside a test module)
+  """
+
   alias ElixirSense.Core.State.Env
 
   @struct_keys [:line, :name, :body_scope_id]

apps/language_server/lib/language_server/providers/code_lens/type_spec.ex

@@ -1,4 +1,15 @@
 defmodule ElixirLS.LanguageServer.Providers.CodeLens.TypeSpec do
+  @moduledoc """
+  Collects the success typings inferred by Dialyzer, translates the syntax to Elixir, and shows them
+  inline in the editor as @spec suggestions.
+
+  The server, unfortunately, has no way to force the client to refresh the @spec code lenses when new
+  success typings, so we let this request block until we know we have up-to-date results from
+  Dialyzer. We rely on the client being able to await this result while still making other requests
+  in parallel. If the client is unable to perform requests in parallel, the client or user should
+  disable this feature.
+  """
+
   alias ElixirLS.LanguageServer.Providers.CodeLens
   alias ElixirLS.LanguageServer.{Server, SourceFile}
   alias Erl2ex.Convert.{Context, ErlForms}