docs: add website link to docs (#93)

libs/docs/packagephobia.md

@@ -1,6 +1,10 @@
 # /packagephobia  
 ![](/badge/badgen/packagephobia)
 
+## Website
+
+https://packagephobia.now.sh
+
 ## Usage
 
 - `/packagephobia/publish/:package` _publish size_

libs/docs/uptime-robot.md

@@ -1,6 +1,10 @@
 # /uptime-robot
 ![](/badge/badgen/uptime-robot)
 
+## Website
+
+https://uptimerobot.com
+
 ## Usage
 
 - `/uptime-robot/status/:api-key`   _status_