wip: unify default configs

the definitions are unified alright. it's just not supported yet :D

the idea being that tek offers to write out the default configs to
~/.config/tek-v0 where the user can customize them.

.old/midi_import.rs

@@ -0,0 +1,20 @@
+use tek::*;
+use tengri::input::*;
+use std::sync::*;
+struct ExampleClips(Arc<RwLock<Vec<Arc<RwLock<MidiClip>>>>>);
+impl HasClips for ExampleClips {
+    fn clips (&self) -> RwLockReadGuard<'_, Vec<Arc<RwLock<MidiClip>>>> {
+        self.0.read().unwrap()
+    }
+    fn clips_mut (&self) -> RwLockWriteGuard<'_, Vec<Arc<RwLock<MidiClip>>>> {
+        self.0.write().unwrap()
+    }
+}
+fn main () -> Result<(), Box<dyn std::error::Error>> {
+    let mut clips = Pool::default();//ExampleClips(Arc::new(vec![].into()));
+    PoolClipCommand::Import {
+        index: 0,
+        path: std::path::PathBuf::from("./example.mid")
+    }.execute(&mut clips)?;
+    Ok(())
+}