Update README.md

update readme w/images and instructions

Author: bitkarrot

README.md

@@ -1,21 +1,29 @@
 <h1>Decoder extension</h1>
 
-This is an extension to help decode invoices, lnurls and lightning addresses in LNBits
+This is an extension to help decode invoices, lnurls and lightning addresses in [LNBits](https://lnbits.com). 
+
+Install this extension using the manifest from this repository: 
+
+[https://raw.githubusercontent.com/bitkarrot/decoder/main/manifest.json](https://raw.githubusercontent.com/bitkarrot/decoder/main/manifest.json)
+
+Add the above link to LNBits on the Admin Panel by Visiting:  Manage Server -> Server -> Extension Sources
+
+<img width="480" alt="Screenshot 2024-01-08 at 3 37 25 PM" src="https://github.com/bitkarrot/decoder/assets/73979971/eb782af2-e4ae-4249-8f7d-ffa809693150">
+
+
 
 ## Example Usage
 
 ### Decode a BOLT11 invoice
-
-<img width="1145" alt="Screenshot 2024-01-08 at 12 12 05 AM" src="https://github.com/bitkarrot/decoder/assets/73979971/0e424dfa-b1d4-46a3-877f-1cd337c99c14">
+<img width="620" alt="Screenshot 2024-01-08 at 3 31 09 PM" src="https://github.com/bitkarrot/decoder/assets/73979971/63f8e6e4-1594-4cc8-b277-8ef60d0df1a1">
 
 ### Decode a LNURL
 
-<img width="606" alt="Screenshot 2024-01-08 at 12 13 56 AM" src="https://github.com/bitkarrot/decoder/assets/73979971/eaa63c92-73e5-4525-aea7-68d719a304b7">
+<img width="630" alt="Screenshot 2024-01-08 at 3 30 53 PM" src="https://github.com/bitkarrot/decoder/assets/73979971/ce97a651-2f75-401b-887e-3a2ddf6010fe">
 
 ### Decode a Lightning Address
 
-<img width="579" alt="Screenshot 2024-01-08 at 12 51 50 AM" src="https://github.com/bitkarrot/decoder/assets/73979971/51495f9e-2c9e-460c-a78c-119e6ffbfeb4">
-
+<img width="644" alt="Screenshot 2024-01-08 at 3 30 23 PM" src="https://github.com/bitkarrot/decoder/assets/73979971/8e14373b-842c-4529-86c0-50785347a4f0">
 
 ## Get Started