Added styled components

- also removed existing css
  - left the capabilities included

src/infrastructure/navbar/TestComponent.tsx

@@ -0,0 +1,12 @@
+import { FunctionComponent } from "react";
+import styled from "styled-components";
+
+type Props = {};
+
+const TestComponent: FunctionComponent<Props> = () => {
+  return <h1>TestComponent</h1>;
+};
+
+const StyledTestComponent = styled(TestComponent)``;
+
+export { StyledTestComponent as TestComponent };