Dev here, totally could, we dismissed it at first as electron is quite bulky containing a whole chromium instance inside the exe. instead we kept it small as possible for the exe version
We have plans for a full UI version in V2. We are releasing V1 (SPDF is currently in beta) sometime this month. But have begun work on a V2 port to different language and framework.
As an alternative you could write some automation scripts to handle all the requirements for self hosted install. If you look at oogaboogas text-generation-webui [0] you can see what I mean. Although ease of install also leads to a larger user base, which can be a double edged sword for something as ubiquitous as a pdf app. It's much easier to get people to submit issues than to help solve them.
