chore: readme changes (#57)

.gitignore

@@ -38,4 +38,6 @@ testem.log
 .DS_Store
 Thumbs.db
 
-.nx/cache
+.nx/cache
+
+package-lock.json

README.md

@@ -11,30 +11,67 @@ We just started; stay tuned for more to come!!! ☕️ 🔵
 
 ## Getting Started
 
-More coming here
+```sh
+npx @base-org/build-onchain-apps@latest create <TEMPLATE_APP>
+```
+
+<p align='center'>
+<img src='https://images.ctfassets.net/c5bd0wqjc7v0/3dFiAAcNU2DauF5zvakbA0/cc4bcc4621a12da40e6248b41e450844/cli.gif' width='600' alt='npm start'>
+</p>
+
+If you've previously installed `@base-org/build-onchain-apps` globally via `npm install -g @base-org/build-onchain-apps`, we recommend you uninstall the package using `npm uninstall -g @base-org/build-onchain-apps` or `yarn global remove @base-org/build-onchain-apps` to ensure that npx always uses the latest version.
+
+_([npx](https://medium.com/@maybekatz/introducing-npx-an-npm-package-runner-55f7d4bd282b) comes with npm 5.2+ and higher, see [instructions for older npm versions](https://gist.github.com/gaearon/4064d3c23a77c74a3614c498a8bb1c5f))_
+
+## Contribution
+
+We welcome contributions to Build Onchain Apps! ☕️ 🔵
+To contribute, please see [CONTRIBUTING.md](CONTRIBUTING.md).
 
-## Develop
+### Development
 
 For all available scripts, check the [package.json](https://github.com/base-org/build-onchain-apps/blob/main/package.json), but if you don't know where to start, here are some useful ones.
 
 ```bash
-# Install
+git clone https://github.com/base-org/build-onchain-apps.git
+cd build-onchain-apps
 yarn
+```
+
+> Do not use npm to install the dependencies, as the specific package versions in `yarn.lock` are used to build and test build-onchain-apps.
+
+To build the compiler and all the other modules included in the package:
+
+```bash
+yarn build
+```
+
+### Testing Locally
+
+To test the package locally, use `npm link` to link the local package to the global npm registry.
 
-# Format fix
+```bash
 yarn build
+npm link
+# Call CLI using the following command
+build-onchain-apps create
+```
 
-# Format fix
-yarn format
+After you are done testing, you can unlink the package from the global npm registry.
 
-# Lint fix
-yarn lint
+```bash
+npm unlink @base-org/build-onchain-apps
 ```
 
-## Contribution
+### Adding new templates
 
-We welcome contributions to Build Onchain Apps! ☕️ 🔵
-To contribute, please see [CONTRIBUTING.md](CONTRIBUTING.md).
+To make a new template, make a folder for it in the `templates` folder and set up your project there. Treat each template like its own Node.js project and run the commands in its folder.
+
+```bash
+cd templates/buy-me-a-coffee-app
+yarn
+yarn dev
+```
 
 ## License