WIP: Add Decimator Engine

This expects otis or some other norns library w/ the decimator engine to have been installed.

Not currently working.

beets.lua

@@ -6,6 +6,9 @@
 -- 
 -- K2 : Quantized mute toggle
 -- K3 : Instant mute while held 
+
+engine.name = "Decimator"
+
 local BeatClock = require 'beatclock'
 local Beets = include('lib/libbeets')
 

lib/libbeets.lua

@@ -358,6 +358,14 @@ function Beets:add_params()
     end
   }
 
+  params:add_separator()
+    -- sample rate
+  params:add_control("sample_rate", "sample rate", controlspec.new(0, 48000, "lin", 10, 48000, ''))
+  params:set_action("sample_rate", function(x) engine.srate(x) end)
+  -- bit depth
+  params:add_control("bit_depth", "bit depth", controlspec.new(4, 31, "lin", 0, 31, ''))
+  params:set_action("bit_depth", function(x) engine.sdepth(x) end)
+
   params:add_separator()
 
   params:add{