chore(docs) revamp landing page (#1161)

* Added tailwind

* Finished styling

docs/tailwind.config.js

@@ -0,0 +1,30 @@
+// tailwind.config.js
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  corePlugins: {
+    preflight: false, // disable Tailwind's reset
+  },
+  content: ["./src/**/*.{js,jsx,ts,tsx}", "../docs/**/*.mdx"], // my markdown stuff is in ../docs, not /src
+  darkMode: ["class", '[data-theme="dark"]'], // hooks into docusaurus' dark mode settigns
+  theme: {
+    extend: {
+      colors: {
+        // Light Theme
+        "immich-primary": "#4250af",
+        "immich-bg": "white",
+        "immich-fg": "black",
+        "immich-gray": "#F6F6F4",
+
+        // Dark Theme
+        "immich-dark-primary": "#adcbfa",
+        "immich-dark-bg": "black",
+        "immich-dark-fg": "#e5e7eb",
+        "immich-dark-gray": "#212121",
+      },
+      fontFamily: {
+        "immich-title": ["Snowburst One", "cursive"],
+      },
+    },
+  },
+  plugins: [],
+};