chore: update docs

README.md

@@ -202,6 +202,11 @@ Telegram mini app requires a public url (https) to work. We will use `ngrok` to
 - Python Version issues
    - The project was developed with Python 3.10 but 3.8+ should work too
    - Make sure you have python 3.8+ installed
+- Also make sure you have installed everything from `requirements.txt` file
+   ```
+   pip install -r requirements.txt
+   ```
+  - These are base packages that I believe every FastAPI + Aiogram app will need.
 
 #### Alembic migrations related errors
 - Migration conflicts and errors
@@ -214,7 +219,6 @@ Telegram mini app requires a public url (https) to work. We will use `ngrok` to
   - In this case make sure you inherit from `PkBase` model in your models.
   - Also if you define another base model, you should import it and any other model(s) in `migrations/env.py` file
 
-
 #### CORS Related Errors
 
 Cross-Origin Resource Sharing (CORS) is a security feature implemented by web browsers to protect against unauthorized requests from different domains. When developing a web application, you might encounter CORS issues when your front-end code, hosted on one domain, tries to make requests to an API or server on a different domain. To enable these cross-domain requests safely, you need to configure CORS settings in your FastAPI app.