[PRAC/ret] Correct README.md file

Add "final-app-view" img/link.

core: B-3 / JS-BL

Author: matowdev

core-courses/3-js-basic-level/practicum-js-basic-level/README.md

@@ -24,7 +24,7 @@
 
 ### Внешний вид приложения
 
-![Skillbus-CRM]()
+![Skillbus-CRM](https://github.com/matowdev/fullstack-js-by-skillbox/blob/main/core-courses/3-js-basic-level/practicum-js-basic-level/sb-crm-client/images/final-app-view.png?raw=true)
 
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