changed < > to [ ] in help api

Author: sagarkarira

lib/constants.js

@@ -208,8 +208,8 @@ https://corona-stats.online?source=2
 # Country wise stats
 
 ## Format:
-https://corona-stats.online/<countryCode>
-https://corona-stats.online/<countryName>
+https://corona-stats.online/[countryCode]
+https://corona-stats.online/[countryName]
 
 ## Example: From source 1
 https://corona-stats.online/Italy
@@ -254,8 +254,8 @@ https://corona-stats.online/uk?minimal=true&top=20        (with minimal)
 # Confirmed Cases Graph (WIP)
 
 ## Format:
-https://corona-stats.online/<countryName>/graph
-https://corona-stats.online/<countryCode>/graph
+https://corona-stats.online/[countryName]/graph
+https://corona-stats.online/[countryCode]/graph
 
 ## Example:
 https://corona-stats.online/italy/graph