feat: add filter by lesson type

src/api/v1/lessonType.service.ts

@@ -0,0 +1,17 @@
+import {Injectable} from "@angular/core";
+import ApiService, {AvailableVersion} from "@api/api.service";
+import {LessonTypeResponse} from "@api/v1/lessonTypeResponse";
+
+@Injectable()
+export class LessonTypeService extends ApiService {
+  public readonly basePath = 'LessonType/';
+  public readonly version = AvailableVersion.v1;
+
+  public getLessonTypes(page: number | null = null, pageSize: number | null = null) {
+    let request = this.createRequestBuilder()
+      .setQueryParams({page: page, pageSize: pageSize})
+      .build;
+
+    return this.get<LessonTypeResponse[]>(request);
+  }
+}