docs: v2 migration guide

README.md

@@ -14,6 +14,10 @@ Look for dApp toolkit and related packages under the [/packages](/packages/) dir
 
 This is merging [Radix dApp Toolkit](https://github.com/radixdlt/radix-dapp-toolkit), [√ Connect Button](https://github.com/radixdlt/connect-button), [Wallet Request SDK](https://github.com/radixdlt/wallet-sdk), [Radix Connect Schemas](https://github.com/radixdlt/radix-connect-schemas) into one mono-repository.
 
+## Migration guide
+
+- [v1 -> v2 migration guide](docs/v2.md)
+
 ## Versions In This Repository
 
 - [main](https://github.com/radixdlt/radix-dapp-toolkit/commits/main) - This is all of the current work, which is against v2 of RDT right now

docs/v2.md

@@ -0,0 +1,43 @@
+# Upgrading to 2.0
+
+## Breaking Changes
+
+### Babylon Gateway SDK
+
+The Gateway SDK is no longer exposed by dApp toolkit.
+
+```
+import { GatewayApiClient } from '@radixdlt/babylon-gateway-api-sdk'
+
+const dAppToolkit = RadixDappToolkit({
+  dAppDefinitionAddress:
+    'account_rdx12y7md4spfq5qy7e3mfjpa52937uvkxf0nmydsu5wydkkxw3qx6nghn',
+  networkId: RadixNetwork.Mainnet,
+  applicationName: 'Radix Web3 dApp',
+  applicationVersion: '1.0.0',
+})
+
+const gatewayApi = GatewayApiClient.initialize(
+  dAppToolkit.gatewayApi.clientConfig,
+)
+```
+
+Detailed installation guide can be found in [@radixdlt/babylon-gateway-api-sdk](https://github.com/radixdlt/babylon-gateway/tree/main/sdk/typescript/#initialization)
+
+### Logger
+
+`createLogger` has been renamed to `Logger`
+
+```
+import { Logger } from '@radixdlt/radix-dapp-toolkit'
+```
+
+### Monorepo
+
+Following npm packages are no longer released independently
+
+- [√ Connect Button](https://www.npmjs.com/package/@radixdlt/connect-button)
+- [Wallet SDK](https://www.npmjs.com/package/@radixdlt/wallet-sdk)
+- [Radix Connect Schemas](https://www.npmjs.com/package/@radixdlt/radix-connect-schemas)
+
+All future development will proceed in the [Radix dApp Toolkit](https://www.npmjs.com/package/@radixdlt/radix-dapp-toolkit).

packages/dapp-toolkit/README.md

@@ -81,8 +81,8 @@ import { RadixDappToolkit, RadixNetwork } from '@radixdlt/radix-dapp-toolkit'
 
 const rdt = RadixDappToolkit({
   dAppDefinitionAddress:
-    'account_tdx_e_128uml7z6mqqqtm035t83alawc3jkvap9sxavecs35ud3ct20jxxuhl',
-  networkId: RadixNetwork.RCnetV3,
+    'account_rdx12y7md4spfq5qy7e3mfjpa52937uvkxf0nmydsu5wydkkxw3qx6nghn',
+  networkId: RadixNetwork.Mainnet,
   applicationName: 'Radix Web3 dApp',
   applicationVersion: '1.0.0',
 })