Update dotify-version and dotify-help commands

src/lib/dotify-help.sh

@@ -1,3 +1,4 @@
 dotify-help() {
-  echo "dotify $(dotify-version)"
+  echo "$(dotify-print-version)"
+  echo "usage: dotify <command> [<args>]"
 }

src/lib/dotify-version.sh

@@ -1,3 +1,7 @@
 dotify-version() {
   echo "0.0.1"
 }
+
+dotify-print-version() {
+  echo "dotify $(dotify-version)"
+}