Added version flag to hosto

scripts/bin/hosto

@@ -1,12 +1,14 @@
 #!/usr/bin/env bash
 
+VERSION="0.1.0"
 
 function help() {
   echo -e \
     "Usage: $(basename $0) [OPTIONS]\n\n" \
     "Options:\n" \
     "   -i, --inv-file <path>       Specify the Ansible inventory to add.\n" \
-    "   -h, --help                  Show help.\n"
+    "   -h, --help                  Show help.\n" \
+    "   -v, --version               Show version."
 }
 
 if [[ $# -eq 0 ]]; then
@@ -29,6 +31,10 @@ while [[ $# -gt 0 ]]; do
       help
       exit 1
       ;;
+    -v|--version)
+      echo $VERSION
+      exit 1
+      ;;
     *)
       POSITIONAL_ARGS+=("$1")
       shift