FEAT #11227 TIME 1 add local storage service

src/frontend/app/app.component.ts

src/frontend/app/document/document.component.ts

...ontend/app/documentNotePad/document-note-pad.component.ts

...tend/app/documentSignList/document-sign-list.component.ts

src/frontend/app/pad/pad.component.ts

src/frontend/app/service/auth.service.ts

src/frontend/app/service/local-storage.service.ts

src/frontend/app/service/signatures.service.ts

src/frontend/app/signatures/signatures.component.ts