Implementing new configuration system

Common/src/main/java/dev/brighten/antivpn/utils/ConfigDefault.java

@@ -0,0 +1,28 @@
+package dev.brighten.antivpn.utils;
+
+import dev.brighten.antivpn.AntiVPN;
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public class ConfigDefault<A> {
+
+    private final A defaultValue;
+    private final String path;
+    private final AntiVPN plugin;
+
+    public A get() {
+        if(plugin.getConfig().get(path) != null)
+            return (A) plugin.getConfig().get(path);
+        else {
+            plugin.getConfig().set(path, defaultValue);
+            plugin.saveConfig();
+            return defaultValue;
+        }
+    }
+
+    public A set(A value) {
+        plugin.getConfig().set(path, value);
+
+        return value;
+    }
+}