+ update-project + read bpmn-files from backend

testgenerator-web/testgenerator-web/package-lock.json

testgenerator-web/testgenerator-web/package.json

...rator-web/testgenerator-web/src/app/app-routing.module.ts

testgenerator-web/testgenerator-web/src/app/app.module.ts

...tor-web/src/app/components/project/project.component.html

...pp/components/update-project/update-project.component.css

...p/components/update-project/update-project.component.html

...omponents/update-project/update-project.component.spec.ts

...app/components/update-project/update-project.component.ts

...or-web/testgenerator-web/src/app/services/file.service.ts