fix(blynk): Change project page

Old domain blynk.cc is redirecting to blynk.io now.

Signed-off-by: Rodrigo Avelino <rodrigo@avelino.org>

README.md

@@ -987,7 +987,7 @@ See also <https://en.wikipedia.org/wiki/List_of_streaming_media_systems>, <https
 - [Anchr](https://anchr.io) - Anchr is a toolbox for tiny tasks on the internet, including bookmark collections, URL shortening and (encrypted) image uploads. ([Source Code](https://github.com/n1try/anchr)) `GPL-3.0` `Nodejs`
 - [Anuko](https://www.anuko.com/time_tracker/index.htm) - Anuko provides simple time and project tracking on a selfhosted basis. ([Demo](https://timetracker.anuko.com/), [Source Code](https://github.com/anuko/timetracker)) `Other` `PHP`
 - [asciiflow](http://asciiflow.com/) - Flow Diagram Drawing Tool. ([Source Code](https://github.com/lewish/asciiflow2)) `GPL-3.0` `Java/JavaScript`
-- [blynk](http://www.blynk.cc/) - Platform with iOS and Android apps to control Arduino, ESP8266, Raspberry Pi and similar microcontroller boards over the Internet. ([Source Code](https://github.com/blynkkk/blynk-server)) `AGPL-3.0` `Java`
+- [blynk](https://blynk.io/) - Platform with iOS and Android apps to control Arduino, ESP8266, Raspberry Pi and similar microcontroller boards over the Internet. ([Source Code](https://github.com/blynkkk/blynk-server)) `AGPL-3.0` `Java`
 - [Cachet](https://cachethq.io/) - An open source status page system for everyone. ([Demo](https://demo.cachethq.io/), [Source Code](https://github.com/CachetHQ/Cachet)) `BSD-3-Clause` `PHP`
 - [CUPS](https://www.cups.org/) - The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers. ([Source Code](https://github.com/apple/cups)) `GPL-2.0` `C`
 - [CyberChef](https://github.com/gchq/CyberChef) - Perform all manner of "cyber" operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more. ([Demo](https://gchq.github.io/CyberChef)) `Apache-2.0` `JavaScript`