feat: Algolia plugin for medusa (#718)

Co-authored-by: Rolwin Monterio <rolwin@yellow.ai>
Co-authored-by: olivermrbl <oliver@mrbltech.com>

packages/medusa-plugin-algolia/README.md

@@ -0,0 +1,20 @@
+# medusa-plugin-algolia
+
+algolia Plugin for Medusa to search for products.
+
+## Plugin Options
+
+```
+{
+  application_id: "someId",
+  admin_api_key: "someApiKey",
+  settings: {
+    [indexName]: [algolia settings passed to algolia's `updateSettings()` method]
+    // example
+    products: {
+      searchableAttributes: ["title", "description", "variant_sku", "type_value"],
+      attributesToRetrieve: ["title", "description", "variant_sku", "type_value"],
+    }
+  }
+}
+```