Add Salvation Army GIS volunteer work section

Added iframe for Salvation Army Volunteer GIS work.

Author: maxwarnock

GIS.md

@@ -7,6 +7,19 @@ show_profile: false
 # GIS Portfolio
 <hr style="height: 4px; background-color: black; border: none; margin: 20px 0;">
 
+## Salvation Army Volunteer GIS Work 
+<iframe 
+    src="https://arcg.is/1ObT4f3"
+    width="100%" 
+    height="800px" 
+    frameborder="0" 
+    allowfullscreen
+    scrolling="no">
+</iframe>
+
+<hr style="height: 4px; background-color: black; border: none; margin: 20px 0;">
+
+
 # Remote Sensing Projects {#remote-sensing}
 
 ## Remotely Sensing Glacial Retreat and Snowpack Levels in Saas Fee, Switzerland From 2013 to 2024