Add ".js" to internal imports

helpers/Dojo/AssignmentValidator.ts

 import { TypedEmitter }          from 'tiny-typed-emitter';
-import AssignmentValidatorEvents from '../../types/Dojo/AssignmentValidatorEvents';
-import SharedAssignmentHelper    from '../../../shared/helpers/Dojo/SharedAssignmentHelper';
+import AssignmentValidatorEvents from '../../types/Dojo/AssignmentValidatorEvents.js';
+import SharedAssignmentHelper    from '../../../shared/helpers/Dojo/SharedAssignmentHelper.js';
 import path                      from 'node:path';
-import AssignmentCheckerError    from '../../../shared/types/Dojo/AssignmentCheckerError';
+import AssignmentCheckerError    from '../../../shared/types/Dojo/AssignmentCheckerError.js';
 import fs                        from 'fs-extra';
-import ClientsSharedConfig       from '../../config/ClientsSharedConfig';
+import ClientsSharedConfig       from '../../config/ClientsSharedConfig.js';
 import YAML                      from 'yaml';
-import DojoDockerCompose         from '../../types/Dojo/DojoDockerCompose';
+import DojoDockerCompose         from '../../types/Dojo/DojoDockerCompose.js';
 import { exec, spawn }           from 'child_process';
-import AssignmentFile            from '../../../shared/types/Dojo/AssignmentFile';
-import ExerciseDockerCompose     from './ExerciseDockerCompose';
+import AssignmentFile            from '../../../shared/types/Dojo/AssignmentFile.js';
+import ExerciseDockerCompose     from './ExerciseDockerCompose.js';
 import util                      from 'util';
 
 

helpers/Dojo/ClientsSharedAssignmentHelper.ts

 import chalk               from 'chalk';
 import boxen               from 'boxen';
-import Icon                from '../../../shared/types/Icon';
-import AssignmentValidator from './AssignmentValidator';
+import Icon                from '../../../shared/types/Icon.js';
+import AssignmentValidator from './AssignmentValidator.js';
 
 
 class ClientsSharedAssignmentHelper {

helpers/Dojo/ClientsSharedExerciseHelper.ts

-import ExerciseResultsFile from '../../../shared/types/Dojo/ExerciseResultsFile';
+import ExerciseResultsFile from '../../../shared/types/Dojo/ExerciseResultsFile.js';
 import chalk               from 'chalk';
 import boxen               from 'boxen';
-import Icon                from '../../../shared/types/Icon';
+import Icon                from '../../../shared/types/Icon.js';
 
 
 class ClientsSharedExerciseHelper {

helpers/Dojo/DojoBackendHelper.ts

-import ApiRoute            from '../../types/Dojo/ApiRoute';
-import ClientsSharedConfig from '../../config/ClientsSharedConfig';
+import ApiRoute            from '../../types/Dojo/ApiRoute.js';
+import ClientsSharedConfig from '../../config/ClientsSharedConfig.js';
 
 
 class DojoBackendHelper {

helpers/Dojo/ExerciseDockerCompose.ts

-import AssignmentFile                     from '../../../shared/types/Dojo/AssignmentFile';
+import AssignmentFile                     from '../../../shared/types/Dojo/AssignmentFile.js';
 import { TypedEmitter }                   from 'tiny-typed-emitter';
-import ExerciseRunningEvents              from '../../types/Dojo/ExerciseRunningEvents';
+import ExerciseRunningEvents              from '../../types/Dojo/ExerciseRunningEvents.js';
 import { spawn }                          from 'child_process';
-import ExerciseCheckerError               from '../../../shared/types/Dojo/ExerciseCheckerError';
+import ExerciseCheckerError               from '../../../shared/types/Dojo/ExerciseCheckerError.js';
 import { ChildProcessWithoutNullStreams } from 'node:child_process';
 
 

helpers/Dojo/ExerciseResultsSanitizerAndValidator.ts

 import { TypedEmitter }      from 'tiny-typed-emitter';
-import ExerciseRunningEvents from '../../types/Dojo/ExerciseRunningEvents';
-import ExerciseCheckerError  from '../../../shared/types/Dojo/ExerciseCheckerError';
+import ExerciseRunningEvents from '../../types/Dojo/ExerciseRunningEvents.js';
+import ExerciseCheckerError  from '../../../shared/types/Dojo/ExerciseCheckerError.js';
 import path                  from 'node:path';
-import ClientsSharedConfig   from '../../config/ClientsSharedConfig';
-import Toolbox               from '../../../shared/helpers/Toolbox';
+import ClientsSharedConfig   from '../../config/ClientsSharedConfig.js';
+import Toolbox               from '../../../shared/helpers/Toolbox.js';
 import * as fs               from 'fs-extra';
-import ExerciseResultsFile   from '../../../shared/types/Dojo/ExerciseResultsFile';
+import ExerciseResultsFile   from '../../../shared/types/Dojo/ExerciseResultsFile.js';
 import JSON5                 from 'json5';
-import Json5FileValidator    from '../../../shared/helpers/Json5FileValidator';
+import Json5FileValidator    from '../../../shared/helpers/Json5FileValidator.js';
 
 
 class ExerciseResultsSanitizerAndValidator {

models/Assignment.ts

-import User        from './User';
-import Exercise    from './Exercise';
+import User        from './User.js';
+import Exercise    from './Exercise.js';
 import * as Gitlab from '@gitbeaker/rest';
 
 

models/Exercise.ts

-import User        from './User';
-import Assignment  from './Assignment';
+import User        from './User.js';
+import Assignment  from './Assignment.js';
 import * as Gitlab from '@gitbeaker/rest';
 
 

models/ExerciseAssignment.ts

-import AssignmentFile from '../../shared/types/Dojo/AssignmentFile';
-import Assignment     from './Assignment';
+import AssignmentFile from '../../shared/types/Dojo/AssignmentFile.js';
+import Assignment     from './Assignment.js';
 import * as Gitlab    from '@gitbeaker/rest';
 
 

models/User.ts

-import UserRole    from './UserRole';
-import Exercise    from './Exercise';
-import Assignment  from './Assignment';
+import UserRole    from './UserRole.js';
+import Exercise    from './Exercise.js';
+import Assignment  from './Assignment.js';
 import * as Gitlab from '@gitbeaker/rest';