Major refactoring of files and add pipewire tweaks

config/files/pipewire-tweaks/etc/security/limits.d/95-pipewire.conf

@@ -0,0 +1,4 @@
+# Default limits for users of pipewire
+@pipewire - rtprio 95
+@pipewire - nice -19
+@pipewire - memlock 4194304

config/files/pipewire-tweaks/etc/sysconfig/rtkit

@@ -0,0 +1,13 @@
+RTKIT_ARGS="--scheduling-policy=FIFO
+--our-realtime-priority=89
+--max-realtime-priority=88
+--min-nice-level=-19
+--rttime-usec-max=2000000
+--users-max=100
+--processes-per-user-max=1000
+--threads-per-user-max=10000
+--actions-burst-sec=10
+--actions-per-burst-max=1000
+--canary-cheep-msec=30000
+--canary-watchdog-msec=60000
+"