fix(README): add usage

Author: shanejonas

README.md

@@ -2,8 +2,47 @@
 
 A react component to visually display JSON Schemas
 
+
 ![image](https://user-images.githubusercontent.com/364566/78064105-14144880-7346-11ea-9b42-b7158048cba9.png)
 
+
+## Usage
+`npm install @xops.net/json-schema-to-react-tree`
+
+```
+import React from "react";
+import JSONSchemaTree from "@xops.net/json-schema-to-react-tree";
+
+const MyApp = (props) => {
+  return (
+    <>
+      <JSONSchemaTree
+        schema={{
+          type: "object",
+          properties: {
+            number: {
+              type: "string",
+            },
+            hash: {
+              type: "string",
+            },
+            timestamp: {
+              description: "timestamp in which the block occured",
+              title: "Timestamp",
+              type: "string",
+            },
+            transactions: {
+              type: "string",
+            },
+          },
+        }} />
+    </>
+  )
+}
+export default MyApp;
+```
+
+
 ### Contributing
 
 How to contribute, build and release are outlined in [CONTRIBUTING.md](CONTRIBUTING.md), [BUILDING.md](BUILDING.md) and [RELEASING.md](RELEASING.md) respectively. Commits in this repository follow the [CONVENTIONAL_COMMITS.md](CONVENTIONAL_COMMITS.md) specification.