Fixed file extensions.

Author: polcats

README.md

@@ -14,8 +14,8 @@ The original purpose of this project is to help establishments track and record
 
 <img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/login.png" />
 <img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/register.png" />
-<img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/home.jpg" />
-<img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/settings.jpg" />
-<img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/records.jpg" />
+<img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/home.png" />
+<img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/settings.png" />
+<img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/records.png" />
 <img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/sample_scanner.png" />
 <img align="left" alt="Visual Studio Code" width="250px" src="docs/qrofile3.x/edit_profile.png" />