feat: guard option in bash to prevent script from running after error

bin/epitest

@@ -1,4 +1,5 @@
 #!/usr/bin/bash
+set -e
 
 if [ "$EUID" -ne 0 ]; then
     echo "error: you cannot perform this operation unless you are root."

bin/mouse_360

@@ -1,4 +1,5 @@
 #!/usr/bin/bash
+set -e
 
 # counts target = 8182 ~ 25cm
 

bin/toggle-touchpad

@@ -1,4 +1,5 @@
 #!/usr/bin/bash
+set -e
 
 device="PNP0C50:0e 06CB:7E7E Touchpad"
 

bin/virt-manager-launcher

@@ -1,5 +1,4 @@
 #!/usr/bin/bash
-
 set -e
 
 if [ "$EUID" -eq 0 ]; then