conf: Options of all plugins documented

Some options are still missing descriptions though.

conf/plugins/ha.opt

@@ -0,0 +1,23 @@
+charon.plugins.ha.autobalance = 0
+	Interval in seconds to automatically balance handled segments between nodes.
+	Set to 0 to disable.
+
+charon.plugins.ha.fifo_interface = yes
+
+charon.plugins.ha.heartbeat_delay = 1000
+
+charon.plugins.ha.heartbeat_timeout = 2100
+
+charon.plugins.ha.local =
+
+charon.plugins.ha.monitor = yes
+
+charon.plugins.ha.pools =
+
+charon.plugins.ha.remote =
+
+charon.plugins.ha.resync = yes
+
+charon.plugins.ha.secret =
+
+charon.plugins.ha.segment_count = 1