Add Go basics content (#1578)

* Go basics intro

* Update content/roadmaps/109-golang/content/100-go-basics/readme.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/109-golang/content/100-go-basics/readme.md

@@ -1 +1,6 @@
-# Go basics
+# Learn the Basics
+
+Learn the common concepts of Go like variables, loops, conditional statements, functions, data types, and so on. A good starting point for go basics is its Go's official docs.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Tutorial' href='https://go.dev/doc/tutorial/'>Official Go Tutorial</BadgeLink>