Added build instructions

README.md

@@ -2,7 +2,7 @@
 
 StickExporterTX is a 3D Stick Exporter for EdgeTX/OpenTX logs.
 
-## Quick Start Guide
+## Controller Setup Guide
 
 To log your sticks on each model, go to `settings -> global functions` in your RC controller.
 
@@ -18,6 +18,17 @@ If you only want to set up logging for one model, go to `model -> special functi
 
 ![special-functions](readme/pictures/special-functions.bmp)
 
+## How to build (for developers)
+The following software is required to build the project:
+- [Node.js](https://nodejs.org/)
+- [Python 3](https://www.python.org/)
+
+To build the project, run the following commands in the project directory:
+```bash
+npm install
+npm run bundle
+```
+If the commands were successful, a new folder called `dist` should have been created in the project directory containing the compiled files.
 ## Licence:
 
 This project is released under the MIT license, for more information, check the [LICENSE](LICENSE) file.