[doc] Add configuration documentation in the menu

Moreover, the entries in the menu now match the title of the pages.

docs/advanced/outputs-alsa.md

@@ -1,4 +1,4 @@
-# OwnTone and ALSA
+# ALSA
 
 ALSA is one of the main output configuration options for local audio; when using ALSA you will typically let the system select the sound card on your machine as the `default` device/sound card - a mixer associated with the ALSA device is used for volume control.  However if your machine has multiple sound cards and your system chooses the wrong playback device, you will need to manually select the card and mixer to complete the OwnTone configuration.
 

docs/advanced/outputs-pulse.md

@@ -31,7 +31,7 @@ How to start PulseAudio depends on your distribution, but in many cases you will
 need to add a `pulseaudio.service` file to `/etc/systemd/system` with the
 following content:
 
-```
+```conf
 # systemd service file for PulseAudio running in system mode
 [Unit]
 Description=PulseAudio sound server
@@ -49,7 +49,7 @@ Bluetooth module. First install it (Debian:
 `apt install pulseaudio-module-bluetooth`) and then add the following to
 /etc/pulse/system.pa:
 
-```
+```conf
 #### Enable Bluetooth
 .ifexists module-bluetooth-discover.so
 load-module module-bluetooth-discover
@@ -117,7 +117,7 @@ Edit the file `~/.pulse/default.pa` , adding the following line at the end:
 load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1
 ```
 
-### Step 3: Restart the pulseaudio deamon
+### Step 3: Restart the PulseAudio daemon
 
 ```shell
 pulseaudio -k
@@ -125,11 +125,11 @@ pulseaudio -k
 pulseaudio -D
 ```
 
-### Step 4: Adjust configuration file
+### Step 4: Adjust the Configuration File
 
 In the `audio` section of `/etc/owntone.conf`, set `server` to `localhost`:
 
-```
+```conf
 server = "localhost"
 ```
 

docs/advanced/radio-streams.md

@@ -1,4 +1,4 @@
-# Radio Stream Tweaking
+# Radio Streams
 
 Radio streams have many different ways in how metadata is sent.  Many should
 just work as expected, but a few may require some tweaking. If you are not

docs/advanced/remote-access.md

@@ -1,4 +1,4 @@
-# Remote access
+# Remote Access
 
 It is possible to access a shared library over the internet from a DAAP client
 like iTunes. You must have remote access to the host machine.