Add readme

Author: yivlad

packages/connectors/wallet-connect-v2/README.md

@@ -1 +1,35 @@
 # WalletConnectV2Connector for useDApp
+
+Connector for [WalletConnectV2](https://docs.walletconnect.com/) for useDApp.
+
+## Example usage
+
+Update your `usedapp` config:
+
+```ts
+connectors: {
+    ...
+    walletConnectV2: new WalletConnectV2Connector({
+      projectId: <YOUR_WALLETCONNECT_PROJECT_ID>,
+      chains: [Mainnet],
+      rpcMap: {
+        1: 'https://mainnet.infura.io/v3/<YOUR_INFURA_KEY>',
+      },
+    }),
+    ...
+  },
+```
+
+Now you can use the connector:
+
+```tsx
+import { useEthers } from '@usedapp/core'
+
+...
+
+const { activateBrowserWallet } = useEthers();
+
+...
+
+<button onClick={() => activateBrowserWallet({ type: 'walletConnectV2' })}>Connect</button>
+```

packages/docs/docs/02-Guides/01-Connecting/05-Wallet Connect.mdx

@@ -72,14 +72,14 @@ It is possible to create multiple instances of WalletConnectV2Connector, in case
 ```ts
 connectors: {
     ...
-    walletConnectV2-mainnet: new WalletConnectV2Connector({
+    walletConnectV2_mainnet: new WalletConnectV2Connector({
       projectId: <YOUR_WALLETCONNECT_PROJECT_ID>,
       chains: [Mainnet],
       rpcMap: {
         1: 'https://optimism.infura.io/v3/<YOUR_INFURA_KEY>',
       },
     }),
-    walletConnectV2-optimism: new WalletConnectV2Connector({
+    walletConnectV2_optimism: new WalletConnectV2Connector({
       projectId: <YOUR_WALLETCONNECT_PROJECT_ID>,
       chains: [Optimism],
       rpcMap: {