Add NoteModule

This contains the module, a model which was adapted from the old code and two DTOs.

Signed-off-by: David Mehren <git@herrmehren.de>

src/notes/note-permissions.dto.ts

@@ -0,0 +1,17 @@
+import { IsArray, IsBoolean, ValidateNested } from 'class-validator';
+import { UserInfoDto } from '../users/user-info.dto';
+
+export class NotePermissionEntryDto {
+  @ValidateNested()
+  user: UserInfoDto;
+  @IsBoolean()
+  canEdit: boolean;
+}
+
+export class NotePermissionsDto {
+  @ValidateNested()
+  owner: UserInfoDto;
+  @ValidateNested()
+  @IsArray()
+  sharedTo: NotePermissionEntryDto[];
+}