docs: update README (#62)

* Update README.md

Supplementary command.

* Update README.md

Supplementary command.

* Update README.md

add \r\n

web/README.md

@@ -3,6 +3,9 @@
 ## Basic Usages
 
 ```shell
+# Install dependencies
+npm install
+
 # Runs the app in the development mode
 npm start
 
@@ -18,4 +21,4 @@ Before you start editing, make sure your `Actions on Save` options have `Optimiz
 ## Reference
 
 1. https://github.com/OIerDb-ng/OIerDb
-2. https://github.com/cornflourblue/react-hooks-redux-registration-login-example
+2. https://github.com/cornflourblue/react-hooks-redux-registration-login-example