src -> app; move core libs to tengri

app/src/keys.edn

@@ -0,0 +1,21 @@
+(@u           undo 1)
+(@shift-u     redo 1)
+(@space       clock toggle)
+(@shift-space clock toggle 0)
+(@t           select :track 0)
+(@tab         edit :clip)
+(@c           color)
+(@q           launch)
+(@shift-I     input add)
+(@shift-O     output add)
+(@shift-S     scene add)
+(@shift-T     track add)
+
+(@up    select :scene-prev)
+(@w     select :scene-prev)
+(@down  select :scene-next)
+(@s     select :scene-next)
+(@left  select :track-prev)
+(@a     select :track-prev)
+(@right select :track-next)
+(@d     select :track-next)