Add range docs (#1594)

* Update 104-range.md

* Update content/roadmaps/109-golang/content/100-go-basics/104-range.md

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

content/roadmaps/109-golang/content/100-go-basics/104-range.md

@@ -1 +1,8 @@
-# Range
+# Range
+
+`Range` is used with `For Loops` to iterate over each element in arrays, strings and other data structures .
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://go.dev/tour/moretypes/16'>Go Ranges</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://gobyexample.com/range'>Go by Example: Range</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://yourbasic.org/golang/for-loop-range-array-slice-map-channel/'>Go ranges basic patterns</BadgeLink>