fix(template.sh): fix decription for non git directory

When we are in a non-git folder, if we use the 'gct' command, we will also see the reason for the error.

Author: ghasemdev

template.sh

@@ -2,6 +2,7 @@
 
 # Check in this directory git exist
 if [ ! -d .git ]; then
+ echo "fatal: not a git repository (or any of the parent directories): .git"
  exit 1
 fi