chore: update readme

src/README.md

@@ -1,4 +1,32 @@
 # CIVE
 Cive is an interface for the Conflux Core Space, built on Viem.
 
-⚠️ Note: cive is currently in heavy development and may be unstable. The API is subject to change without prior notice.
+
+## Install
+
+```bash
+pnpm add cive
+```
+
+
+## Usage
+
+```ts
+// 1. Import modules
+import { createPublicClient, http } from "cive";
+import { mainnet } from "cive/chains";
+
+// 2. Set up client
+const publicClient = createPublicClient({
+  chain: mainnet,
+  transport: http(),
+});
+
+// 3. consume an action
+const block = await publicClient.getBlock();
+
+```
+
+## Docs
+
+[Head to the documentation](https://cive.zyx.ee/) to read and learn more about cive.