move old readme dev stuff to development

DEVELOPMENT.md

@@ -0,0 +1,30 @@
+# Development
+
+## Getting started
+
+Go ahead do the following to clone the repository and install the project's dependencies:
+
+```bash
+git clone https://github.com/ubclaunchpad/ubcsim2.git
+npm install
+```
+
+You can run compilation, linter, and tests with:
+
+```bash
+scripts/build_check.sh
+```
+
+## Build the app and deploy to GitHub Pages
+
+run the following command to build and deploy
+
+You can run your page locally using ```npm run start```, this will automatically rebuild your app as you change files and supports hot module replacement for fast development.
+
+OR
+
+To build your app and put resulted files in folder /build using ```npm run build``` . (If you ever changed your .ts or .html, rebuild to compile .ts files to .js).
+
+Deploy on GitHub Pages using ```npm run deploy```
+url: https://{github-account-name}.github.io/{repo-name}
+https://ubclaunchpad.github.io/ubcsim2