better folder structure; made usage of hermes engine explicit

src/Themes.tsx

@@ -0,0 +1,18 @@
+type Theme = {
+  chatBot: string,
+  primeFg: string,
+  primeBg: string,
+  messageBorderBg: string,
+  placeholderBg: string,
+}
+
+const defaultLight: Theme = {
+  chatBot: "#DE6C20",
+  primeFg: "#3B3329",
+  primeBg: "#FFEEDE",
+  messageBorderBg: "#FFFFFF",
+  placeholderBg: "#D9D9D9"
+}
+
+let currentTheme: Theme = defaultLight;
+export default currentTheme;