config files: more recommendations of systemd-analyze cat-config

Follow-up for 3b0754b16c.

src/journal-remote/journal-remote.conf.in

@@ -10,6 +10,8 @@
 # the journal-remote.conf.d/ subdirectory. The latter is generally recommended.
 # Defaults can be restored by simply deleting this file and all drop-ins.
 #
+# Use 'systemd-analyze cat-config systemd/journal-remote.conf' to display the full config.
+#
 # See journal-remote.conf(5) for details.
 
 [Remote]

src/journal-remote/journal-upload.conf.in

@@ -10,6 +10,8 @@
 # the journal-upload.conf.d/ subdirectory. The latter is generally recommended.
 # Defaults can be restored by simply deleting this file and all drop-ins.
 #
+# Use 'systemd-analyze cat-config systemd/journal-upload.conf' to display the full config.
+#
 # See journal-upload.conf(5) for details.
 
 [Upload]

src/network/networkd.conf

@@ -10,6 +10,8 @@
 # the networkd.conf.d/ subdirectory. The latter is generally recommended.
 # Defaults can be restored by simply deleting this file and all drop-ins.
 #
+# Use 'systemd-analyze cat-config systemd/networkd.conf' to display the full config.
+#
 # See networkd.conf(5) for details.
 
 [Network]

src/pstore/pstore.conf

@@ -10,6 +10,8 @@
 # the pstore.conf.d/ subdirectory. The latter is generally recommended.
 # Defaults can be restored by simply deleting this file and all drop-ins.
 #
+# Use 'systemd-analyze cat-config systemd/pstore.conf' to display the full config.
+#
 # See pstore.conf(5) for details.
 
 [PStore]

src/sleep/sleep.conf

@@ -10,6 +10,8 @@
 # the sleep.conf.d/ subdirectory. The latter is generally recommended.
 # Defaults can be restored by simply deleting this file and all drop-ins.
 #
+# Use 'systemd-analyze cat-config systemd/sleep.conf' to display the full config.
+#
 # See systemd-sleep.conf(5) for details.
 
 [Sleep]

src/timesync/timesyncd.conf.in

@@ -10,6 +10,8 @@
 # the timesyncd.conf.d/ subdirectory. The latter is generally recommended.
 # Defaults can be restored by simply deleting this file and all drop-ins.
 #
+# Use 'systemd-analyze cat-config systemd/timesyncd.conf' to display the full config.
+#
 # See timesyncd.conf(5) for details.
 
 [Time]