Initial commit for Waybar JACK monitoring module

-DSP load
  -xruns
  -connected/disconnected state
  -only tested with Pipewire so far but should work with JACK2 as well

 On branch dsp
 Changes to be committed:
	modified:   include/factory.hpp
	new file:   include/modules/jack.hpp
	modified:   meson.build
	modified:   meson_options.txt
	modified:   src/factory.cpp
	new file:   src/modules/jack.cpp

meson.build

@@ -97,6 +97,8 @@ libudev = dependency('libudev', required: get_option('libudev'))
 libevdev = dependency('libevdev', required: get_option('libevdev'))
 libmpdclient = dependency('libmpdclient', required: get_option('mpd'))
 xkbregistry = dependency('xkbregistry')
+libjack = dependency('jack', required: get_option('jack'))
+libprocps = dependency('libprocps', required: get_option('jack'))
 
 libsndio = compiler.find_library('sndio', required: get_option('sndio'))
 if libsndio.found()
@@ -207,6 +209,11 @@ if libpulse.found()
     src_files += 'src/modules/pulseaudio.cpp'
 endif
 
+if libjack.found() and libprocps.found()
+    add_project_arguments('-DHAVE_LIBJACK', language: 'cpp')
+    src_files += 'src/modules/jack.cpp'
+endif
+
 if dbusmenu_gtk.found()
     add_project_arguments('-DHAVE_DBUSMENU', language: 'cpp')
     src_files += files(
@@ -288,6 +295,8 @@ executable(
         libnl,
         libnlgen,
         libpulse,
+        libjack,
+        libprocps,
         libudev,
         libepoll,
         libmpdclient,