Add usage example

README.md

@@ -5,5 +5,54 @@ Node.js library for the EmailRep API
 ## Installation
 
 ```bash
-npm i emtraq
+npm install emailrep
+```
+
+## Usage
+
+Example:
+
+```javascript
+const emailrep = require('emailrep')
+
+getEmailRep('[email protected]')
+    .then(result => {
+        if (result.success) {
+            console.log(result.details)
+        } else {
+            console.log(result.error))
+        }
+    })
+    .catch(error => console.error('Error:', error))
+```
+
+Output:
+
+```bash
+{
+  blacklisted: false,
+  malicious_activity: false,
+  malicious_activity_recent: false,
+  credentials_leaked: true,
+  credentials_leaked_recent: false,
+  data_breach: true,
+  first_seen: '07/01/2008',
+  last_seen: '01/16/2024',
+  domain_exists: true,
+  domain_reputation: 'high',
+  new_domain: false,
+  days_since_domain_creation: 12006,
+  suspicious_tld: false,
+  spam: false,
+  free_provider: false,
+  disposable: false,
+  deliverable: true,
+  accept_all: false,
+  valid_mx: true,
+  primary_mx: 'microsoft-com.mail.protection.outlook.com',
+  spoofable: false,
+  spf_strict: true,
+  dmarc_enforced: true,
+  profiles: [ 'linkedin', 'twitter' ]
+}
 ```