Add contact plugin settings

core/shared/src/main/java/de/mm20/launcher2/search/contact/ContactInfo.kt

@@ -23,7 +23,7 @@ data class PostalAddress(
 )
 
 /**
- * Custom contact channel, for example, WhatsApp message, Telegram video call, etc.
+ * Custom contact action, for example, WhatsApp message, Telegram video call, etc.
  */
 @Serializable
 data class CustomContactAction(
@@ -35,18 +35,33 @@ data class CustomContactAction(
     /**
      * Type that is passed to the Intent.
      */
-    val mimeType: String,
+    val mimeType: String? = null,
     /**
      * Package name of the app that handles this channel.
-     * Used to get the app icon, and label, and to group channels by app.
-     * If the app is not installed, the channel will be ignored.
+     * Used to get the app icon, and label, and to group actions by app.
+     * If the app is not installed, the action will be ignored.
      */
     val packageName: String,
 )
 
 enum class ContactInfoType {
+    /**
+     * Home or private number/address.
+     */
     Home,
+
+    /**
+     * Cell phone number, only applicable for phone numbers.
+     */
     Mobile,
+
+    /**
+     * Work or business number/address.
+     */
     Work,
+
+    /**
+     * Other
+     */
     Other,
 }