Small docs tweaks here and there

Author: whatyouhide

lib/sentry.ex

@@ -7,7 +7,8 @@ defmodule Sentry do
 
     * Manually — see `capture_exception/2` and `capture_message/2`.
 
-    * Through an Erlang `:logger` handler — see `Sentry.LoggerHandler`.
+    * Through an [Erlang `:logger`](https://www.erlang.org/doc/man/logger) handler —
+      see `Sentry.LoggerHandler`.
 
     * Through an Elixir `Logger` backend — see `Sentry.LoggerBackend`.
 

mix.exs

@@ -48,6 +48,8 @@ defmodule Sentry.Mixfile do
         groups_for_modules: [
           "Plug and Phoenix": [Sentry.PlugCapture, Sentry.PlugContext],
           Loggers: [Sentry.LoggerBackend, Sentry.LoggerHandler],
+          "Data Structures": [Sentry.Attachment, Sentry.CheckIn],
+          HTTP: [Sentry.HTTPClient, Sentry.HackneyClient],
           Interfaces: [~r/^Sentry\.Interfaces/],
           Testing: [Sentry.Test]
         ],