Update README.md

README.md

@@ -2,6 +2,9 @@
 
 A Flutter library for [LDK Node](https://github.com/lightningdevkit/ldk-node), a ready-to-go Lightning node library built using [LDK](https://lightningdevkit.org) and [BDK](https://bitcoindevkit.org).
 
+LDK Node is a non-custodial Lightning node. Its central goal is to provide a small, simple, and straightforward interface that enables users to easily set up and run a Lightning node with an integrated on-chain wallet. While minimalism is at its core, LDK Node aims to be sufficiently modular and configurable to be useful for a variety of use cases.
+
+The primary abstraction of the library is the Node, which can be retrieved by setting up and configuring a Builder to your liking and calling build(). Node can then be controlled via commands such as start, stop, connectOpen_channel, sendPayment, etc.:
 
 ### How to use ldk_node
 
@@ -11,7 +14,7 @@ To use the `ldk_node` package in your project, add it as a dependency in your pr
 dependencies:
   ldk_node: ^0.1.0
 ```
-or run this command
+or add from pub.dev using `pub add` command
 
 ```
   flutter pub add ldk_node