feat(config): Allow users to set AP port (#1420)

* added support for ap-port conf

* chore: Reindent table

* feat: Only set `ap_port` in session config if supplied by user

* docs: Update CHANGELOG

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Co-authored-by: Henrik Friedrichsen <henrik@affekt.org>

src/config.rs

@@ -102,6 +102,7 @@ pub struct ConfigValues {
     pub library_tabs: Option<Vec<LibraryTab>>,
     pub hide_display_names: Option<bool>,
     pub credentials: Option<Credentials>,
+    pub ap_port: Option<u16>,
 }
 
 /// Commands used to obtain user credentials automatically.