Update readme.md
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Azure-Samples/active-directory-angularjs-singlepageapp,Azure-Samples/active-directory-angularjs-singlepageapp,Azure-Samples/active-directory-angularjs-singlepageapp,AzureADSamples/SinglePageApp-AngularJS-DotNet,AzureADSamples/SinglePageApp-AngularJS-DotNet,AzureADSamples/SinglePageApp-AngularJS-DotNet