Add BetterFleet to the gaming list projects

This is the link to the project: BetterFleet

[x] Close #313
[x] I have read the contributing guidelines.
[x] Use the following format: [Title](link) - Description.
[x] If the project is closed source add the ![closed source] badge after the (link) but before the -.
[x] If the project/article is non-free or paywalled add the ![paid] badge after the (link) but before the -.
[x] Add entries alphabetically to the most appropriate category.
[x] No unnecessary words like for Tauri, a Tauri plugin and Super-Fast.
[x] Description does not start with A or An.
[x] Description is under 24 words.
[x] Description has no links or parenthesis.
[x] Use backticks when mentioning package names.
[x] Double-check spelling and grammar.
[x] No trailing whitespace is added to the end of any file.
[x] One suggestion per pull request.
[x] I understand that my entry will be removed if it violates the guidelines.
[x] I have signed my commits.

[ ] Works with Tauri 1.x and onward.
[ ] The repo is at least 30 days old.
[ ] Documentation is in English.
[ ] The template provides enough information about how to get started and what's included.
[ ] The template is pretty different from the existing templates.

[x] The app is original and not too simple.
[x] The README is in English.
[x] The app makes a reasonable effort to be fast, lightweight and secure.
[ ] If the app closed source, evidence of it being built with Tauri is included.

tauri-apps / awesome-tauri