media-session: add config files

Remove -e and -d options
Manage modules in media-session.conf
Add alsa-monitor.conf that can match node/device properties with
a regex and update properties on it. All previous configuration and
more cane be done with this.

src/daemon/media-session.d/media-session.conf

@@ -0,0 +1,55 @@
+{
+  "properties": {
+  },
+  "spa-libs": {
+    "#": [ "Mapping from factory name to library."
+         ],
+
+    "api.bluez5.*":    "bluez5/libspa-bluez5",
+    "api.alsa.*":      "alsa/libspa-alsa",
+    "api.v4l2.*":      "v4l2/libspa-v4l2",
+    "api.libcamera.*": "libcamera/libspa-libcamera"
+  },
+  "modules": {
+    "#": [ "These are the modules that are enabled when a file with",
+           "the key name is found in the media-session.d config directory.",
+	   "the default bundle is always enabled."
+	 ],
+
+    "default": [
+      "flatpak",		"# manages flatpak access",
+      "portal",			"# manage portal permissions",
+      "v4l2",			"# video for linux udev detection",
+      "#libcamera",		"# libcamera udev detection",
+      "suspend-node",		"# suspend inactive nodes",
+      "policy-node",		"# configure and link nodes",
+      "#metadata",		"# export metadata API",
+      "#default-nodes",		"# restore default nodes",
+      "#default-profile",	"# restore default profiles", 
+      "#default-routes",	"# restore default route",
+      "#alsa-seq",		"# alsa seq midi support",
+      "#alsa-monitor",		"# alsa udev detection",
+      "#bluez5",		"# bluetooth support",
+      "#restore-stream",	"#restore stream settings"
+    ],
+    "with-audio": [
+      "metadata",
+      "default-nodes",
+      "default-profile",
+      "default-routes",
+      "alsa-seq",
+      "alsa-monitor"
+    ],
+    "with-alsa": [
+      "with-audio"
+    ],
+    "with-jack": [
+      "with-audio"
+    ],
+    "with-pulseaudio": [
+      "with-audio",
+      "bluez5",
+      "restore-stream"
+    ]
+  }
+}