Implement repository URL validation
Implement repository URL validation

MoT3rror/satis,gencer/satis,monsieurbiz/packages.monsieurbiz.com,ezsystems/satis,andkirby/satis,alcohol/satis,monsieurbiz/packages.monsieurbiz.com,andkirby/satis,composer/satis,alcohol/satis,gencer/satis,yonh/satis,gencer/satis,MoT3rror/satis,composer/satis,yonh/satis,ezsystems/satis,ninjaparade/satis,alcohol/satis,monsieurbiz/packages.monsieurbiz.com,alcohol/satis,composer/satis,ninjaparade/satis,andkirby/satis,ezsystems/satis