Add skeletton for profile page

frontend/src/app/Services/data.service.ts

@@ -16,6 +16,42 @@ export class DataService {
     private tokenStorage: TokenStorageService
   ) {}
 
+  /**
+   * @returns Observable
+   */
+  public getUserData(): Observable<any> {
+    return this.http.get(API_URL + 'user', {
+      headers: new HttpHeaders({
+        'Content-Type': 'application/json',
+        Authorization: 'Bearer ' + this.tokenStorage.getToken(),
+      }),
+      responseType: 'text',
+    });
+  }
+
+  /**
+   * @param  {string} email
+   * @param  {string} username
+   * @param  {string} password
+   * @returns Observable
+   */
+  public updateUserData(
+    email: string,
+    username: string,
+    password: string
+  ): Observable<any> {
+    return this.http.put(API_URL + 'user', {
+      headers: new HttpHeaders({
+        'Content-Type': 'application/json',
+        Authorization: 'Bearer ' + this.tokenStorage.getToken(),
+      }),
+      responseType: 'text',
+      email,
+      username,
+      password,
+    });
+  }
+
   /**
    * @returns Observable
    */
@@ -55,6 +91,7 @@ export class DataService {
     count: BigInt,
     price: number
   ): Observable<any> {
+    time = time + 'T12:00:00.000';
     return this.http.post(API_URL + 'transactions', {
       headers: new HttpHeaders({
         'Content-Type': 'application/json',