Update README.md

Author: armBookCodeExamples

README.md

@@ -2,6 +2,8 @@
 
 <table bakground="FFF">
 <tr> <td><b>Chapter</b></td> <td><b>Section</b></td> <td><b>Repository URL</b></td> </tr>
+
+<tr><td align="center">-</td><td>Contact Us</td><td><a href="https://github.com/armBookCodeExamples/ContactUs/edit/main/README.md">https://github.com/armBookCodeExamples/ContactUs/</a></td></tr>
 
 <tr><td align="center">-</td><td>Students Projects</td><td><a href="https://github.com/armBookCodeExamples/StudentsProjects/blob/main/README.md">https://github.com/armBookCodeExamples/StudentsProjects/</a></td></tr>