clarify naming of sidecar or provide internal used name list

[vasfvitor]

Anyone with good knowledge of Tauri internals, please add a list of banned names or provide an alert in the documentation about the recurring issue where users have used generic names, causing sidecars to malfunction. ⁠supportTauri v2 - Setting up a python… —has shown that using the same name as the Tauri app or 'main' may break functionality

posted at https://discord.com/channels/616186924390023171/662624589037436928/1294324891843301427