Add is_protected and views to Tags API

app/flatpages/help/api.md

@@ -330,9 +330,11 @@ Supported query parameters:
 ### Tags
 
 * GET `/api/tags/` ([View](/api/tags/)):  List of:
-    * `name`:  technical name
-    * `title`:  human-readable title
-    * `description`:  tag description or null
+    * `name`:  technical name.
+    * `title`:  human-readable title.
+    * `description`:  tag description or null.
+    * `is_protected`: boolean, whether the tag is protected (can only be set by Editors in the web interface).
+    * `views`: number of views of this tag.
     
 ### Content Warnings
 

app/models/packages.py

@@ -818,7 +818,13 @@ class Tag(db.Model):
 
 	def getAsDictionary(self):
 		description = self.description if self.description != "" else None
-		return { "name": self.name, "title": self.title, "description": description }
+		return {
+			"name": self.name,
+			"title": self.title,
+			"description": description,
+			"is_protected": self.is_protected,
+			"views": self.views,
+		}
 
 
 class MinetestRelease(db.Model):