Add some stubbed out modules for the first bit

Hopefully theses are right ...

design/debouncer.sv

@@ -1,5 +1,5 @@
 //NOTE: you should drive this with a slow clock to actually debounce input
-module Debouncer(input logic clk, input reset, input source, output wire out);
+module debouncer(input logic clk, input reset, input source, output wire out);
 
 logic pressed;
 assign out = pressed;

design/playback_controller.sv

@@ -0,0 +1,20 @@
+module Playback_Controller(
+    // This clock should be reasonably slow
+    input logic clk,
+    input logic reset,
+
+    // Play and pause are the same button
+    input logic play,
+    input logic ff,
+
+    // Output is 0, 1x, 2x, 4x, or 8x
+    output wire [3:0] speed
+);
+
+wire play_pulse,ff_pulse;
+
+// NOTE: These might need to be hooked to an even lower clock? Not sure
+debouncer playDebouncer (clk,reset,play,play_pulse);
+debouncer ffDebouncer (clk,reset,ff,ff_pulse);
+
+endmodule

design/seconds_display.sv

@@ -0,0 +1,10 @@
+module seconds_display(
+    input logic clk, 
+    input logic reset, 
+    input [$clog2(60)-1:0] counter,
+    output [7:0] display_tens,
+    output [7:0] display_ones
+);
+
+
+endmodule