Added a basic configuration

tests/Settings.toml

@@ -0,0 +1,2 @@
+[database]
+url = "connectionstring"

tests/configuration_tests.rs

@@ -0,0 +1,7 @@
+use kernel::configuration::Configuration;
+
+#[test]
+fn load_configuration() {
+    let settings = Configuration::load();
+    assert_eq!(settings.database.url, "connectionstring");
+}