Update README.md

Alt image description added

Author: SirionRazzer

README.md

@@ -1,6 +1,6 @@
 
 <h1>
-<img src="https://raw.githubusercontent.com/talsec/Free-RASP-Community/master/visuals/freeRASP.png" width=100%>
+<img src="https://raw.githubusercontent.com/talsec/Free-RASP-Community/master/visuals/freeRASP.png" alt="RASP for Android" width=100%>
 </h1>
 
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