fix(service): make api endpoints configurable

tests/Unit/Service/Remote/BlogApiPostsTest.php

@@ -55,7 +55,7 @@ qui aperiam non debitis possimus qui neque nisi nulla"
 
         $response =  new JsonMockResponse(self::API_POSTS_LIST);
         $mockedClient = new MockHttpClient($response);
-        $briloApiPosts = new BriloApiPosts($mockedClient, $this->getLogger(), $serializer);
+        $briloApiPosts = new BriloApiPosts($mockedClient, $this->getLogger(), $serializer, 'http://nonexistent.local');
         $this->assertEquals($testUserList, $briloApiPosts->getPosts());
     }
 
@@ -73,7 +73,7 @@ qui aperiam non debitis possimus qui neque nisi nulla"
             return $response;
         });
         $this->expectException(BriloRemoteApiException::class);
-        $briloApiPosts = new BriloApiPosts($mockedClient, $this->getLogger(), $serializer);
+        $briloApiPosts = new BriloApiPosts($mockedClient, $this->getLogger(), $serializer, 'http://nonexistent.local');
         $briloApiPosts->getPosts();
     }