Update readme

README.md

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 # Serverless Invoices by Moku
 
-Serverless Invoices is a free invoice management solution for freelancers and small businesses.
+Serverless Invoices is a free invoicing tool for freelancers and small businesses or a starter kit for more complex systems.
 
-It is open-source and easily extendable. You can implement your own features, localization, styling
- or even add a fully operational backend.   
+It is open-source and easily extendable. Implement new features, localization, styling
+ or integrate with various backends and API-s.
+ 
+Run it locally or host it yourself.
+ 
+You can always use the latest free version at [invoices.mokuapp.io](https://invoices.mokuapp.io)
  
 Sponsored and maintained by [Moku](https://mokuapp.io)
 
 ## Features
 - Truly serverless - data stored in your browser only, no network requests
+- No hosting required - works locally
 - Create, edit, delete invoices
 - Track invoice status and due date
 - Create, edit, delete bank accounts
 - Create, edit clients
 - Edit company
-- Export data to JSON
-- Import data from JSON
+- Export & import json data
 - Print to PDF
 - Dark and light mode!
 
@@ -40,3 +44,8 @@ npm run build
 npm run lint
 ```
 
+#Topics
+- invoices management
+- invoicing solution
+- invoice maker
+- invoice generator