docs: Put critical information on Protobuf in Go (#2549)

content/roadmaps/109-golang/content/109-go-microservices/105-protocol-buffers.md

@@ -1,7 +1,14 @@
 # Protocol buffers
 
-Protocol Buffers(Protobuf) is a free, open-source, language-neutral, platform-neutral, extensible data format used to serialize structured data.
+Protocol Buffers(Protobuf) is a free, open-source, language-neutral, platform-neutral, extensible data format used to serialize structured data. It’s like JSON, except it's smaller and faster, and it generates native language bindings.
 
+Some of the advantages of using protocol buffers include:
+- Compact data storage
+- Fast parsing
+- Availability in many programming languages
+- Optimized functionality through automatically-generated classes
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='blue' badgeText='Official Github' href='https://github.com/protocolbuffers/protobuf/'>Protobuf Github</BadgeLink>
 <BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developers.google.com/protocol-buffers/'>Protobuf Doc</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://developers.google.com/protocol-buffers/docs/gotutorial/'>Protobuf with Go</BadgeLink>