More docs (#197)

Paywall and DJ Livestream updated

Co-authored-by: Tiago Vasconcelos <tvasconcelos@gmail.com>

lnbits/extensions/paywall/README.md

@@ -1,11 +1,22 @@
-<h1>Example Extension</h1>
-<h2>*tagline*</h2>
-This is an example extension to help you organise and build you own.
+# Paywall
 
-Try to include an image
-<img src="https://i.imgur.com/9i4xcQB.png">
+## Hide content behind a paywall, a user has to pay some amount to access your hidden content
 
+A Paywall is a way of restricting to content via a purchase or paid subscription. For example to read a determined blog post, or to continue reading further, to access a downloads area, etc...
 
-<h2>If your extension has API endpoints, include useful ones here</h2>
+## Usage
 
-<code>curl -H "Content-type: application/json" -X POST https://YOUR-LNBITS/YOUR-EXTENSION/api/v1/EXAMPLE -d '{"amount":"100","memo":"example"}' -H "X-Api-Key: YOUR_WALLET-ADMIN/INVOICE-KEY"</code>
+1. Create a paywall by clicking "NEW PAYWALL"\
+   ![create new paywall](https://i.imgur.com/q0ZIekC.png)
+2. Fill the options for your PAYWALL
+   - select the wallet
+   - set the link that will be unlocked after a successful payment
+   - give your paywall a _Title_
+   - an optional small description
+   - and set an amount a user must pay to access the hidden content. Note this is the minimum amount, a user can over pay if they wish
+   - if _Remember payments_ is checked, a returning paying user won't have to pay again for the same content.\
+     ![paywall config](https://i.imgur.com/CBW48F6.png)
+3. You can then use your paywall link to secure your awesome content\
+   ![paywall link](https://i.imgur.com/hDQmCDf.png)
+4. When a user wants to access your hidden content, he can use the minimum amount or increase and click the "_Check icon_" to generate an invoice, user will then be redirected to the content page\
+   ![user paywall view](https://i.imgur.com/3pLywkZ.png)