add function count for admin

src/main/java/com/covas/Resources/UsersRessources.java

@@ -77,6 +77,20 @@ public class UsersRessources {
         return responseHttp;
     }
 
+    @GET
+    @RolesAllowed("Admin")
+    @Path("count")
+    public Response getCount(@CookieParam("user") String userCookie, @Context SecurityContext ctx){
+        UUID kid = UUID.fromString(jwt.getClaim(Claims.kid));
+        UsersEntity user = UsersEntity.findById(kid);
+        Response.Status status = getResponseCheck(ctx, userCookie, user);
+        Response responseHttp = Response.status(status).build();
+        if (status.equals(Response.Status.OK)){
+            responseHttp = Response.ok(UsersEntity.count()).build();
+        }
+        return responseHttp;
+    }
+
     @GET
     @RolesAllowed("Admin")
     @Path("{id}")