- added backup codes for 2 factor authentication

- npm updates
- coverage validation: elevation ust be positive, depth must be negative
- vinejs-provider.js: get enabled extensions from database, not via validOptions.extnames
- vue components for backup codes: e.g.: PersonalSettings.vue
- validate spaital coverage in leaflet map: draw.component.vue, map.component.vue
- add backup code authentication into Login.vue
- preset to use no preferred reviewer: Release.vue
- 2 new vinejs validation rules: file_scan.ts and file-length.ts

app/Controllers/Http/Submitter/DatasetController.ts

@@ -327,13 +327,13 @@ export default class DatasetController {
                 x_max: vine.number(),
                 y_min: vine.number(),
                 y_max: vine.number(),
-                elevation_absolut: vine.number().optional(),
-                elevation_min: vine.number().optional().requiredIfExists('elevation_max'),
-                elevation_max: vine.number().optional().requiredIfExists('elevation_min'),
+                elevation_absolut: vine.number().positive().optional(),
+                elevation_min: vine.number().positive().optional().requiredIfExists('elevation_max'),
+                elevation_max: vine.number().positive().optional().requiredIfExists('elevation_min'),
                 // type: vine.enum(Object.values(DescriptionTypes)),
-                depth_absolut: vine.number().optional(),
-                depth_min: vine.number().optional().requiredIfExists('depth_max'),
-                depth_max: vine.number().optional().requiredIfExists('depth_min'),
+                depth_absolut: vine.number().negative().optional(),
+                depth_min: vine.number().negative().optional().requiredIfExists('depth_max'),
+                depth_max: vine.number().negative().optional().requiredIfExists('depth_min'),
             }),
             references: vine
                 .array(