feat(directory): add directory page scaffold

directory/src/App.css

@@ -1,41 +1,25 @@
+@import url("https://fonts.googleapis.com/css2?family=Josefin+Sans&family=Noto+Sans+SC&display=swap");
+
+:root {
+  font-family: "Josefin Sans", "Noto Sans SC", sans-serif;
+  font-size: 16px;
+  line-height: 24px;
+  font-weight: 400;
+
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #131313;
+  min-height: 100vh;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+}
+
 #root {
-  max-width: 1280px;
-  margin: 0 auto;
-  padding: 2rem;
-  text-align: center;
-}
-
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-}
-.logo:hover {
-  filter: drop-shadow(0 0 2em #646cffaa);
-}
-.logo.react:hover {
-  filter: drop-shadow(0 0 2em #61dafbaa);
-}
-
-@keyframes logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  a:nth-of-type(2) .logo {
-    animation: logo-spin infinite 20s linear;
-  }
-}
-
-.card {
-  padding: 2em;
-}
-
-.read-the-docs {
-  color: #888;
+  display: flex;
+  flex-direction: column;
+  flex-wrap: nowrap;
+  align-content: flex-start;
+  justify-content: flex-start;
+  align-items: flex-start;
+  min-height: 100vh;
 }