Create your scripts in src, make sure to include index.js files in all directories exporting all files and directories relative to them to link everything to the main index.js file.
Then once your ready to test in-game run the following command in the root of your pack:
node esbuild.jsThis template comes with these packages pre-installed:
@minecraft/server- 1.14.0 - The main package used for minecraft bedrock scripting.esbuild- 0.24.0 - Bundles (Merges) all installed libraries and your projects code together into a singlemain.jsfile so they work together in Minecraft.