Initial design based off original website, some things still to do

src/env.d.ts

@@ -0,0 +1,12 @@
+/// <reference types="@astrojs/image/client" />
+/// <reference types="./types/SiteImage" />
+
+interface Window {
+  theme: {
+    setTheme: (theme: "auto" | "dark" | "light") => void;
+    getTheme: () => "auto" | "dark" | "light";
+    getSystemTheme: () => "light" | "dark";
+    getDefaultTheme: () => "auto" | "dark" | "light";
+  };
+  navbarDisplay: "normal" | "transparent";
+}