add support of several new things in bot api

tgbotapi.webapps/src/jsMain/kotlin/dev/inmo/tgbotapi/webapps/WebApp.kt

@@ -15,6 +15,7 @@ external class WebApp {
 
     val headerColor: HEXColor?
     fun setHeaderColor(color: Color.BackgroundColor)
+    fun setHeaderColor(color: Color.Hex)
     val backgroundColor: HEXColor?
     fun setBackgroundColor(color: Color.Hex)
     fun setBackgroundColor(color: Color.BackgroundColor)

tgbotapi.webapps/src/jsMain/kotlin/dev/inmo/tgbotapi/webapps/WebAppUser.kt

@@ -20,6 +20,10 @@ external interface WebAppUser {
     val is_premium: Boolean?
     @JsName(photoUrlField)
     val photoUrl: String?
+    @JsName(addedToAttachmentMenuField)
+    val addedToAttachmentMenu: Boolean?
+    @JsName(allowsWriteToPMField)
+    val allowsWriteToPM: Boolean?
 }
 
 val WebAppUser.isPremium