rename keep_trying.sh to maintain_connection.sh to reflect updated functionality

ensure_connected.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+# simple script to fix my broken wifi 
+# it checks if wifi is connected at regular intervals, and if not, repeatedly attempts to connect
+
+network="<network_name>"
+interface="<interface_name>"
+interval=1
+
+while [ true ]; do 
+    # if wifi is connected, do nothing for $interval seconds
+    if [ -n "$(nmcli connection show | grep '.*'"$network"'.*'"$interface"'.*')" ]; then
+        sleep $interval
+    # else, wifi is not connected so attempt to connect to wifi network, and keep trying until it succeeds
+    else 
+        nmcli con up "$network" || while [ "$?" != "0" ]; do nmcli con up "$network"; done
+    fi
+done