add contacts

src/app/services/http.service.ts

@@ -39,10 +39,14 @@ export class HttpService {
 
   }
 
-  async delete<T>(url: string): Promise<Result<T, HttpErrorResponse>>   {
+  async delete<T>(url: string, body = {}): Promise<Result<T, HttpErrorResponse>>   {
+
+    const options = {
+      body: body // Pass payload as the body of the request
+    };
 
     try {
-      const result = await this.http.delete<T>(url).toPromise()
+      const result = await this.http.delete<T>(url, options).toPromise()
       return ok (result as T)
     } catch (e) {
       return err(e as HttpErrorResponse)