Update the Discord links (#353)

Author: sondreb

README.md

@@ -49,7 +49,7 @@ Introduction
 - We aim to make it easier for everyone to contribute to the ecosystem.
 - We encourage projects to adopt Blockcore technology as we believe every project has something to offer and help make the technology stronger.
 
-Join our community on [discord](https://discord.gg/TXx4Rm3).  
+Join our community on [discord](https://www.blockcore.net/discord).  
 
 Getting Started Guide
 -----------
@@ -65,7 +65,7 @@ Check this guides for more info:
 
 There is a lot to do and we welcome contributions from developers and testers who want to gain some Blockchain experience.
 
-You can find tasks on the [issues](https://github.com/block-core/blockcore/issues) tab or visit us on [discord](https://discord.gg/TXx4Rm3).
+You can find tasks on the [issues](https://github.com/block-core/blockcore/issues) tab or visit us on [discord](https://www.blockcore.net/discord).
 
 Other Points
 -------