Add CONTRIBUTING.md

Author: camilamaia

CONTRIBUTING.md

@@ -0,0 +1,39 @@
+# Contributing
+
+Thanks for taking the time to contribute! 🙇‍♀️🙇‍♂️ Every little bit of help counts!
+
+## Install
+
+### Requirements:
+- [node.js](https://nodejs.org/en/)
+- [Visual Studio Code](https://code.visualstudio.com/download)
+
+
+Clone the repository and enter into the project's folder:
+
+```shell
+$ git clone [email protected]:scanapi/vscode-extension.git
+$ cd vscode-extension
+```
+
+Install the dependencies:
+
+```shell
+$ npm install
+```
+
+## Run
+
+```shell
+$ npm run vscode:prepublish
+```
+
+Then, open the vscode-extension folder inside the editor:
+
+```shell
+$ code .
+```
+
+Select the file `src/extension.ts` and press `F5`. Select the option `VS Code Extension Development (Preview)`.
+
+This will compile and run the extension in a new Extension Development Host window. There you can test the extension running locally.

README.md

@@ -8,7 +8,7 @@ Check ScanAPI's [documentation](https://github.com/scanapi/scanapi) for futher i
 
 ## Installing
 
-Preferably, install it from the VSCode Marketplace, but if for some reason you can't, you can download the latest stable version [here](https://github.com/scanapi/vscode-extension/releases).
+Preferably, install it from the VS Code Marketplace, but if for some reason you can't, you can download the latest stable version [here](https://github.com/scanapi/vscode-extension/releases).
 
 Install it using: