docs: connect discovery (#2276)

Author: ryanleecode

packages/connect-discovery/README.md

@@ -1 +1,23 @@
 # @substrate/connect-discovery
+
+A TypeScript package to discover and filter Substrate Connect Extension providers from a list of providers using the [@substrate/discovery protocol](../discovery).
+
+## Installation
+
+You can install the package using npm or yarn:
+
+```sh
+corepack pnpm i @substrate/connect-discovery
+```
+
+## Usage
+
+Here's an example of how to use the package:
+
+```ts
+import { getSubstrateConnectExtensionProviders } from "@substrate/connect-discovery"
+
+const connectExtensionProviders = getSubstrateConnectExtensionProviders()
+
+console.log(connectExtensionProviders)
+```

packages/smoldot-discovery/README.md

@@ -1,6 +1,6 @@
 # @substrate/smoldot-discovery
 
-A TypeScript package to discover and filter Smoldot extension providers from a list of providers.
+A TypeScript package to discover and filter Smoldot extension providers from a list of providers using the [@substrate/discovery protocol](../discovery).
 
 ## Installation