Docs: [DX-2933] Update README of "webhook" package (#1920)

packages/webhook/sdk/README.md

@@ -1,3 +1,49 @@
 # Webhook
 
-This package consists of utility to work with [Immutable webhooks](https://docs.immutable.com/docs/zkEVM/products/blockchain-data/webhooks)
+### Pre-requisites
+
+Install dependencies for the workspace
+
+```bash
+yarn install
+```
+
+### Quick Start Guide
+
+All commands below need to be run in the context of the `webhook` package where this README is located. Read more about context [here](../../../README.md#context).
+
+Running in `dev` mode:
+
+```bash
+yarn dev
+```
+
+Building to `dist` directory with javascript output:
+
+```bash
+yarn build
+```
+
+Running all tests:
+
+```bash
+yarn test
+```
+
+Linting:
+
+```bash
+yarn lint
+```
+
+Typechecking:
+
+```bash
+yarn typecheck
+```
+
+### About
+
+This package consists of utilities to work with [Immutable webhooks](https://docs.immutable.com/docs/zkEVM/products/blockchain-data/webhooks)
+
+[Read more about the webhook package here](../../../README.md#webhook)