Issue #3318676: Convert README.txt to README.md

Closes #3318676

README.md

-Modules Info
+
+# Modules Info
 
 This module is an informer block with table of Drupal modules info.
 It is useful for all Drupalers, communities and companies which wants
 to provide some modules listing with links to the Drupal.org site.
 
-Features:
+## Features
 
 * When you add modules, their data will be updated immediately.
 * Later, their data will be updated by editing, and by cron.
@@ -20,7 +21,3 @@ Features:
 * After patching the core or when #2685749: Add a 'machine_name' widget for
   string field types with a UniqueField constraint issue will be resolved, you
   can fill module machine name field automatically by entering module name.
-
-(C) 2022 Andrew Answer
-http://andrew.answer.name | http://it.answe.ru
-mail@answe.ru | https://t.me/andrew_answer