Added my-alias command to display all custom aliases

.aliases

@@ -345,3 +345,7 @@ echo "Premium Diesel - $costco_diesel p"
 echo "Premium Unleaded - $premium_unleaded p"
 echo "Unleaded - $costco_unleaded p"
 }
+
+## Display all commands in this Alias file
+alias my-alias="cat ~/.aliases | grep -oP 'alias\s\K[^=]+' | sort -n"
+