docs: update README.md to reposition project cover image for better visibility

Author: itsezlife

README.md

@@ -4,8 +4,6 @@
 [![style: very good analysis][very_good_analysis_badge]][very_good_analysis_link]
 [![License: MIT][license_badge]][license_link]
 
-<Image src="screenshots/cover.png" width ="100%">
-
 <div>
 <h1><a href="https://youtu.be/xr56AjdGf-o"><strong>Watch complete tutorial »</strong></a></h1>
 <a href="https://github.com/Gambley1/flutter_instagram_offline_first_clone/issues/new?assignees=&labels=bug&projects=&template=bug_report.md&title=fix%3A+">Report Bug .</a>
@@ -15,6 +13,10 @@
 
 ## 💫 About The Project
 
+<a href="https://youtu.be/xr56AjdGf-o">
+  <img src="screenshots/cover.png" width="100%">
+</a>
+
 Most people always wanted to see a Flutter project that is not just a clone but a real-world app with a real-world architecture, that will cover all-in-one: sleek UI with blazingly-fast backend. And, try to imagine, without a Firebase as a primary service…
 
 I present for you Flutter **offline-first** Instagram clone, leveraging Flutter best practices!