update readmes so they're less outdated.

README.md

@@ -1,10 +1,19 @@
-nostr library
-=============
+# nostr
 
-supposed to contain everything you need to write a relay or client or hybrid or anything else.
+A comprehensive Go library for the Nostr protocol, providing everything needed to build relays, clients, or hybrid applications.
 
-this is a fork of https://github.com/nbd-wtf/go-nostr with better types and other random changes or features.
+This is a fork of [go-nostr](https://github.com/nbd-wtf/go-nostr) with enhanced types, additional features, and extensive NIP support.
+
+## Installation
 
 ```sh
 go get fiatjaf.com/nostr
 ```
+
+## Components
+
+- **eventstore**: Pluggable storage backends (Bluge, BoltDB, LMDB, in-memory, nullstore)
+- **khatru**: Relay framework for building Nostr relays
+- **sdk**: Client SDK with caching, data loading, and relay management
+- **keyer**: Key management utilities
+- **NIPs**: Implementations for NIPs 4-94, covering encryption, metadata, relays, and more