chore: option to use a gitpod as workspace (freeCodeCamp#959)

* chore: use a gitpod as workspace

* fix: correct the typos

* chore: improve descriptions

* fix: improve test instructions

.gitpod.yml

@@ -0,0 +1,9 @@
+# This configuration file was automatically generated by Gitpod.
+# Please adjust to your needs (see https://www.gitpod.io/docs/introduction/learn-gitpod/gitpod-yaml)
+# and commit this file to your remote git repository to share the goodness with others.
+
+# Learn more from ready-to-use templates: https://www.gitpod.io/docs/introduction/getting-started/quickstart
+
+tasks:
+  - init: pnpm install && pnpm run build
+    command: pnpm run start

README.md

@@ -29,6 +29,10 @@ All of the helpful and thoughtful resources are made possible by the generous do
 
 Have a look [here](https://www.freecodecamp.org/news/how-to-donate-to-free-code-camp/) at the different ways you can support our non-profit's mission and make tech education accessible to all.
 
+## How to work on the project using Gitpod
+
+Gitpod is an online environment, where you can work on projects without installing anything on your machine. To setup the Developer Quiz Site with Gitpod, visit this [link](https://gitpod.io/?autostart=true#https://github.com/freeCodeCamp/Developer_Quiz_Site/)
+
 ## How to run the project locally
 
 Here are directions on how to fork the freeCodeCamp/Developer_Quiz_Site repository:<br>
@@ -54,6 +58,12 @@ Make sure to first read through the [Code of Conduct](https://www.freecodecamp.o
 
 Then, read through our [Contributing Documentation](CONTRIBUTING.md).
 
+### How to run the unit tests
+
+Once you are finished making changes, you will need to run the test suite to make sure your code doesn't break anything.
+Here is terminal command for running tests: `pnpm test` (or, even shorter: `pnpm t` )  
+alternativetly (and also cool!) - you can install [vscode vitest extension](https://github.com/vitest-dev/vscode)
+
 ### How to report bugs
 
 Found a bug while playing?