More hacking

Move array and map to pinos
Move more things to spa lib
ControlCmd -> Message
Make pinos log, use for plugins as well
work on ringbuffer in alsa and nodes
work on making registry with all objects

pinos/client/meson.build

@@ -1,7 +1,10 @@
 pinos_headers = [
+  'array.h',
   'context.h',
   'format.h',
   'introspect.h',
+  'log.h',
+  'map.h',
   'pinos.h',
   'properties.h',
   'ringbuffer.h',
@@ -16,6 +19,8 @@ pinos_sources = [
   'context.c',
   'format.c',
   'introspect.c',
+  'log.c',
+  'mapper.c',
   'properties.c',
   'serialize.c',
   'stream.c',