Add missing file

Author: garronej

src/Properties.ts

@@ -0,0 +1,8 @@
+export type Properties = {
+    // NOTE: Needs to be kept in sync with the definitions in the package.json->keycloakify->extraThemeProperties
+    homeUrl: string;
+    serviceTitle: string;
+    brandTop: string;
+    tosUrl: string;
+    contactEmail: string;
+};