Decouple core Yaak logic from Tauri (#354)

crates-tauri/yaak-fonts/src/lib.rs

@@ -0,0 +1,15 @@
+use tauri::{
+    generate_handler,
+    plugin::{Builder, TauriPlugin},
+    Runtime,
+};
+
+mod commands;
+mod error;
+
+use crate::commands::list;
+pub use error::{Error, Result};
+
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+    Builder::new("yaak-fonts").invoke_handler(generate_handler![list]).build()
+}