MAINTAINERS: Update maintainers/codeowners for conn_mgr docs

conn_mgr now has docs, so add them to the maintainers/codeowners files.

Signed-off-by: Georges Oates_Larsen <georges.larsen@nordicsemi.no>

CODEOWNERS

@@ -220,6 +220,7 @@
 /doc/CMakeLists.txt                       @carlescufi
 /doc/_scripts/                            @carlescufi
 /doc/connectivity/bluetooth/                    @alwa-nordic @jhedberg @Vudentz
+/doc/connectivity/networking/conn_mgr     @carlescufi @glarsennordic
 /doc/build/dts/                          @galak @mbolivar-ampere
 /doc/build/sysbuild/                      @tejlmand @nordicjm
 /doc/hardware/peripherals/canbus/                    @alexanderwachter @henrikbrixandersen

MAINTAINERS.yml

@@ -1924,6 +1924,7 @@ Networking:
     - subsys/net/conn_mgr/
     - tests/net/conn_mgr_monitor/
     - tests/net/conn_mgr_conn/
+    - doc/connectivity/networking/conn_mgr/
   labels:
     - "area: Networking"