Add Toggl data to attendances, fix attendance creation for past lectures. Change styling a little.

app/lib/toggl.rb

@@ -1,6 +1,6 @@
 module Toggl
   def self.entries_for_project(toggl_project_id, start_time:, end_time:)
-    HTTParty.post(
+    JSON.parse(HTTParty.post(
       "http://localhost:3005/report",
       body: {
         "start_date": start_time.to_date.to_fs(),
@@ -8,6 +8,6 @@ module Toggl
         "project_ids": [toggl_project_id]
       }.to_json,
       headers: { 'Content-Type' => 'application/json', 'Accept' => 'application/json' }
-    )
+    ).body)
   end
 end