Add content for computed properties

content/roadmaps/105-vue/content/100-fundamental-topics/111-computed-properties.md

@@ -1 +1,8 @@
-# Computed properties
+# Computed Properties
+
+In-template expressions are very convenient, but they are meant for simple operations. Putting too much logic in your templates can make them bloated and hard to maintain. Computed properties allow us to simplify the complex logic that includes reactive data.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://vuejs.org/guide/essentials/computed.html#computed-properties'>Computed Properties</BadgeLink>
+