✨ Add version option

You can now ask the program for its version with `bemoji -v`.

bemoji

@@ -1,9 +1,6 @@
 #!/usr/bin/env bash
 
-# Wanted features:
-#
-# - [ ] limit maximum number of recent emoji
-
+bm_version=0.1
 # Emoji default database location
 bm_db_location=${BEMOJI_DB_LOCATION:-"${XDG_DATA_HOME:-$HOME/.local/share}/bemoji"}
 # Setting custom emoji list file location:
@@ -40,8 +37,13 @@ usage() {
     exit "$1"
 }
 
+version() {
+    echo "v${bm_version}"
+    exit
+}
+
 # Get Options
-while getopts ":f:D:tcepPh" o; do
+while getopts ":f:D:tcepPhv" o; do
     case "${o}" in
     f) BEMOJI_CUSTOM_LIST="${OPTARG}" ;;
     t) bm_default_cmd=_typeResult ;;
@@ -51,6 +53,7 @@ while getopts ":f:D:tcepPh" o; do
     p) bm_private_mode=true ;;
     P) bm_ignore_recent=true ;;
     h) usage 0 ;;
+    v) version ;;
     *) usage 1 ;;
     esac
 done