Update READMEs Aleff Credits

I decided I wanted to add a credits section to the README files of the previously uploaded payloads so I will use a single pull request to do this

payloads/library/credentials/ExfiltrateWiFiPasswords_Linux/README.md

@@ -19,11 +19,35 @@ Opens a shell, get the WiFi names, get the passwords using nmcli, send the resul
 * Dropbox Token
 * Permissions
 
-### Executing program
-
-* Plug in your device
-
 ### Settings
 
 * Set the Dropbox token
-* Set the sudo password
+* Set the sudo password
+
+## Credits
+
+<h2 align="center"> Aleff :octocat: </h2>
+<div align=center>
+<table>
+  <tr>
+    <td align="center" width="96">
+      <a href="https://github.com/aleff-github">
+        <img src=https://github.com/aleff-github/aleff-github/blob/main/img/github.png?raw=true width="48" height="48" />
+      </a>
+      <br>Github
+    </td>
+    <td align="center" width="96">
+      <a href="https://www.instagram.com/alessandro_greco_aka_aleff/">
+        <img src=https://github.com/aleff-github/aleff-github/blob/main/img/instagram.png?raw=true width="48" height="48" />
+      </a>
+      <br>Instagram
+    </td>
+    <td align="center" width="96">
+      <a href="https://www.linkedin.com/in/alessandro-greco-aka-aleff/">
+        <img src=https://github.com/aleff-github/aleff-github/blob/main/img/linkedin.png?raw=true width="48" height="48" />
+      </a>
+      <br>Discord
+    </td>
+  </tr>
+</table>
+</div>