added digital agenda playlist and coding testimonials link
added digital agenda playlist and coding testimonials link

gitarrenfudler/codeeu.github.io,niccokunzmann/codeeu.github.io,joseihf/codeeu.github.io,SteveClement/codeeu.github.io,SteveClement/codeeu.github.io,joseihf/codeeu.github.io,sdmeijer/codeeu.github.io,brunomouraferreira/codeeu.github.io,gootyfer/codeeu.github.io