How to run Syncthing from Termux and Tasker on Android

Introduction I recently had my phone die on me and had to get a new one. One of the first apps I install is Syncthing, in order to restore my photos and app data. Syncthing on Android has had quite the history, and for a time it was the norm to use Syncthing-Fork. A few months ago, this fork went through an ownership change, and I stopped updating this app until things settled. On a new device, I wanted an up to date setup I could trust long-term and maintain myself. I found that the safest w...