added an example demo

README.md

@@ -53,6 +53,47 @@ Try [PyUIBuilder](https://pyuibuilder.pages.dev/)
 ## Docs - Getting started
 Read the docs on the [Docs page](https://pyuibuilder-docs.pages.dev/)
 
+## Example app
+
+<img src="./demos/sample.png" alt="demo" width="600">
+
+**Output code generated for tkinter**
+```py
+# This code is generated by PyUIbuilder: https://github.com/PaulleDemon/PyUIBuilder
+
+import tkinter as tk
+from tktimepicker import AnalogPicker, AnalogThemes, constants
+import tkintermapview
+
+main = tk.Tk()
+main.config(bg="#332f2f")
+main.title("Main Window")
+
+timepicker = AnalogPicker(parent=main, type=constants.HOURS12)
+timepicker_theme = AnalogThemes(timepicker)
+timepicker_theme.setNavyBlue()
+timepicker.place(x=80.66945161331148, y=145.9470669173186, width=250, height=350)
+
+map_viewer = tkintermapview.TkinterMapView(master=main)
+map_viewer.place(x=423, y=181, width=400, height=250)
+
+label = tk.Label(master=main, text="Sample text")
+label.config(bg="#E4E2E2", fg="#000")
+label.place(x=83.81659218916774, y=69.66640453620676, width=130, height=46)
+
+button = tk.Button(master=main, text="Click me")
+button.config(bg="#65ff4a", fg="#0b0909")
+button.place(x=457, y=108, width=80, height=40)
+
+
+main.mainloop() 
+```
+**Output produced tkinter (linux)**
+
+<img src="./demos/demo-output.png" alt="demo" width="600">
+
+Tkinter is OS dependent, output may vary based on OS.
+
 ## 3 Easy steps.
 1. Select a UI library/framework.
 2. Drag and drop widgets.