[HK] update links for s/master/main' rename

Author: barryo

README.md

@@ -1,4 +1,4 @@
-![IXP Manager Logo](https://github.com/inex/IXP-Manager/raw/master/public/images/ixp-manager.png)
+![IXP Manager Logo](https://github.com/inex/IXP-Manager/raw/main/public/images/ixp-manager.png)
 
 [INEX](https://www.inex.ie/) are pleased to release [IXP Manager](http://www.ixpmanager.org/) under an open source license (the
 GNU Public License V2) which we hope will benefit the wider IXP community,

tools/installers/README.md

@@ -28,7 +28,7 @@ To install on this platform, please proceed as follows:
 sudo su -
 
 # download the installation script
-wget https://github.com/inex/IXP-Manager/raw/master/tools/installers/ubuntu-lts-2404-ixp-manager-v7.sh
+wget https://github.com/inex/IXP-Manager/raw/release-v7/tools/installers/ubuntu-lts-2404-ixp-manager-v7.sh
 
 # and execute it:
 bash ./ubuntu-lts-2404-ixp-manager-v7.sh