Fix network config "Supported" bug (#130)

* Fix network config bug

* Use Jackson instead of hacky solution for management

* run spotless

* Add assertion

photon-server/src/test/java/org/photonvision/common/configuration/NetworkConfigTest.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2020 Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.photonvision.common.configuration;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.nio.file.Path;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class NetworkConfigTest {
+    @Test
+    public void testSerialization() throws IOException {
+        var mapper = new ObjectMapper();
+        var path = Path.of("netTest.json");
+        mapper.writeValue(path.toFile(), new NetworkConfig());
+        Assertions.assertDoesNotThrow(() -> mapper.readValue(path.toFile(), NetworkConfig.class));
+    }
+}