fix: update links in Zap API documentation for consistency

Author: davmoz

docs/developer/zap-local-api.md

@@ -22,19 +22,19 @@ Complete endpoint documentation for the Zap firmware.
    - [Connection Types](#get-apidevicestypes)
    - [List Devices](#get-apidevices)
    - [Add Device](#post-apidevices)
-   - [Remove Device](#delete-apidevicessn)
-   - [Device Data](#get-apidevicessndatajson)
-   - [Update DER Types](#post-apidevicessntypes)
-   - [Get DER Metadata](#get-apidevicessnders)
-   - [Update DER Metadata](#post-apidevicessnders)
-   - [Read Registers](#get-apidevicessnregistersaddress)
-   - [Write Register](#post-apidevicessnregistersaddress)
+   - [Remove Device](#delete-apidevices-sn)
+   - [Device Data](#get-apidevices-sn-datajson)
+   - [Update DER Types](#post-apidevices-sn-types)
+   - [Get DER Metadata](#get-apidevices-sn-ders)
+   - [Update DER Metadata](#post-apidevices-sn-ders)
+   - [Read Registers](#get-apidevices-sn-registersaddress)
+   - [Write Register](#post-apidevices-sn-registersaddress)
 3. [Control & Operations](#control--operations)
-   - [Init Control](#post-apicontrolsninit)
-   - [Battery Control](#post-apicontrolsnbattery)
-   - [PV Curtailment](#post-apicontrolsncurtail)
-   - [Disable Curtailment](#post-apicontrolsncurtaildisable)
-   - [Deinit Control](#post-apicontrolsndeinit)
+   - [Init Control](#post-apicontrol-sn-init)
+   - [Battery Control](#post-apicontrol-sn-battery)
+   - [PV Curtailment](#post-apicontrol-sn-curtail)
+   - [Disable Curtailment](#post-apicontrol-sn-curtaildisable)
+   - [Deinit Control](#post-apicontrol-sn-deinit)
    - [MQTT Topics](#mqtt-control-topics)
 4. [Identity & Security](#identity--security)
    - [Crypto Info](#get-apicrypto)