Added script

README.md

@@ -1,2 +1,16 @@
 # toybox-bash
 Some cool tools to use your Bash scripts!
+
+To use, put toybox.sh on the same directory where you Bash script is, then type:
+
+```bash
+source ./toybox.sh
+```
+
+or
+
+```bash
+. ./toybox.sh
+```
+
+Then you can use the functions like menu, playaudio, colors, and more!