BIG flow3r

Add big-flow3r support to the simulator via --full-screen flag.

What it looks like on the screen:

TODO:

• Merge !209 (merged)

components/audio_mod/CMakeLists.txt

+idf_component_register(
+    SRCS
+        audio_mod.c
+    INCLUDE_DIRS
+        .
+        ../ctx
+        ../st3m
+)