Files without extension are ignored

[leesei]

When I add files without extension (via drag and drop or File Selection Dialog), the console log shows the paths in filePaths array but the UI does not show the files.

[whyboris]

Sorry about the bug. The app expects an extension.

I coded it in a crappy way, so I suspect (in addition to the bug you mention) a file with two extensions, like movies.vha2.bak, will actually show up as movies.vha2 rather than movies 😓

I'm happy to accept a PR (code change) that fixes this problem 🤝