docs: update installation instructions

- Updated clone command

Author: fulleni

README.md

@@ -40,7 +40,7 @@
 
 1.  **Clone the repository:**
     ```bash
-    git clone <your-repository-url>
+    git clone https://github.com/headlines-toolkit/ht-api
     cd ht_api
     ```
 2.  **Get dependencies:**