Improve help

Author: Waren Gonzaga

lib/cli/index.js

@@ -83,13 +83,25 @@ exports.help = () => {
     COVID-19 Tracker CLI v${pkg.version} by Waren Gonzaga
     ${line}
 
-    /country or /code ......... by country query
-                                ex. /philippines or /ph
+    /<country> ................ by country stats
+                                ex. /philippines
+    /<country code> ........... by country stats shortcut
+                                ex. /ph
 
     /cmd ...................... if using CMD
+    /cmd/<country> ............ by country stats on CMD
+    /cmd/<country code> ....... by country stats shortcut on CMD
 
-    /plain or /basic .......... if your cli does not support ansi encoding
+    /plain or /basic .......... if your cli does not support ANSI encoding
+                                similar to /cmd usage and layout
+                                ex. /plain/philippines or /plain/ph
+                                    /basic/philippines or /basic/ph
 
+    To learn more about the usage... please visit
+    warengonza.ga/covid19-tracker-cli
+
+    ${line}
+    ${repo}
     ${line}
 
     "${randomSay()}"