[WIP] New Header Work (#33)

* update Studio header to include dropdown menus and internationalization

* Added header improvements (#34)

Added header improvements

Squashing commits for header improvements

added header improvements

fixed typo

moved api call to separate file

added course lockup to mobile header, removed snapshot tests

fixed css for mobile header

simplified css styling

updated testing

updated css styling

updated css

simplified course lockup

removed React fragments from lockup

fixed mobile header styling

Co-authored-by: alangsto <46360176+alangsto@users.noreply.github.com>

src/data/services/LmsApiService.js

@@ -0,0 +1,22 @@
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { getConfig, ensureConfig } from '@edx/frontend-platform';
+
+ensureConfig([
+  'LMS_BASE_URL',
+], 'LMS API service');
+
+const lmsBaseUrl = getConfig().LMS_BASE_URL;
+
+class LmsApiService {
+  static getCourseDetailsUrl(courseID) {
+    return `${lmsBaseUrl}/api/courses/v1/courses/${courseID}`;
+  }
+
+  static getCourseDetailsData(courseID) {
+    const apiClient = getAuthenticatedHttpClient();
+    const url = LmsApiService.getCourseDetailsUrl(courseID);
+    return apiClient.get(url);
+  }
+}
+
+export default LmsApiService;