add readme images and video link

Author: twiagle

100243336/readme.md

@@ -1,3 +1,21 @@
 neighborhood parking lot smart contract.
 
-Assuming your residential community has privately owned parking spaces. Each parking space is represented by a NFTthat uniquely identifies its location.
+Assuming your residential community has privately owned parking spaces. Each parking space is represented by a NFTthat uniquely identifies its location. 
+This dapp demo implements the following functionalities:
+* get current account information
+
+
+![screenshoot/0.png](screenshoot/0.png)
+* mint an nft as a parking slot
+![screenshoot/1.png](screenshoot/1.png)
+* check my parking slot
+![screenshoot/2.png](screenshoot/2.png)
+* change car number nft property
+![screenshoot/3.png](screenshoot/3.png)
+
+technique:
+* aptos move
+* nextjs14
+
+video demo:
+https://twitter.com/twiagle/status/1771369429932343613