refactor: Update apt-cacher setup script to use IP address instead of hostname for the proxy server

apt-cacher/setup.sh

@@ -1,2 +1,12 @@
 #!/bin/bash
-echo 'Acquire::http { Proxy "http://192.168.179.107:3142"; }' | sudo tee -a /etc/apt/apt.conf.d/proxy
+
+IP="192.168.179.107"
+
+# Ping the IP address to check if it is reachable
+if ping -c 1 $IP &> /dev/null
+then
+    echo 'Acquire::http { Proxy "http://192.168.179.107:3142"; }' | sudo tee -a /etc/apt/apt.conf.d/proxy
+else
+    echo "IP $IP is not reachable. Exiting."
+    exit 1
+fi

gui/postman.sh

@@ -0,0 +1 @@
+snap install postman

gui/setup.sh

@@ -6,4 +6,7 @@ chmod +x ./gui/spotify.sh
 ./gui/spotify.sh
 
 chmod +x ./gui/bluemail.sh
-./gui/bluemail.sh
+./gui/bluemail.sh
+
+chmod +x ./gui/postman.sh
+./gui/postman.sh