feat: Documentation and API reference (#348)

Co-authored-by: Vadim Smirnov <smirnou.vadzim@gmail.com>
Co-authored-by: zakariasaad <zakaria.elas@gmail.com>
Co-authored-by: Vilfred Sikker <vilfredsikker@gmail.com>
Co-authored-by: Kasper <kasper@medusa-commerce.com>
Co-authored-by: Sebastian Rindom <skrindom@gmail.com>
Co-authored-by: Kasper Fabricius Kristensen <45367945+kasperkristensen@users.noreply.github.com>

www/docs/src/theme/SearchBar/styles.module.css

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+@media (max-width: 996px) {
+  .searchBox {
+    position: absolute;
+    right: var(--ifm-navbar-padding-horizontal);
+  }
+}
+
+@media (min-width: 997px) {
+  .searchBox {
+    padding: var(--ifm-navbar-item-padding-vertical)
+      var(--ifm-navbar-item-padding-horizontal);
+    flex: 1;
+    margin-left: 200px;
+    padding-right: 100px;
+  }
+
+  .searchBox button {
+    border: 1px solid var(--ifm-medusa-gray);
+    width: 250px;
+  }
+}