fuck.bashrc: Added usage message to failure state

.bashrc.d/fuck.sh

@@ -3,6 +3,9 @@ function fuck {
   local nth_last=${1:-1}
   if [[ "$nth_last" =~ ^[0-9]+$ ]]; then
     sudo $(fc -ln -$nth_last -$nth_last)
+  else
+    echo "Usage: fuck [offset]"
+    return 1
   fi
 }
 

.github/README.md

@@ -26,7 +26,7 @@ git --work-tree=$HOME --git-dir=$HOME/.dotgit checkout master
   - Status area horizonzal spacing
   - Vitals
 
-# Missing Features (TODO)
+## Missing Features (TODO)
 - Vim relative line numbering
 - unset all variables
 - Initial Setup
@@ -38,3 +38,7 @@ git --work-tree=$HOME --git-dir=$HOME/.dotgit checkout master
   - environment templates? (git.env!)
 - fix the umask
 
+## Echos to be replaced by msg()
+- fuck error msg
+- initial setup
+