✍️ Updated README.md for Invoice Email Utility

🚀 Improved business utility for sending invoices. The new README describes how to use the CSV database and the YAML email template for efficient invoice distribution.

README.md

@@ -1,18 +1,25 @@
-# Flask YAML Editor
+# Invoice Emailing Utility
 
-Flask YAML Editor is a web application that provides an interface for reading and updating YAML file content. This
+Streamline the invoice distribution process with this utility, designed to integrate customer data from a CSV database
-application is built using Flask and serves an HTML page that interacts with the Flask backend to manage YAML data.
+and utilize email templates and settings from a YAML configuration. Automate and personalize your invoice emailing
+effortlessly.
 
 ## Features
 
-- **Read YAML Data**: View the contents of a YAML file in a web interface.
+- **Customer Database Management**: Easily manage recipient details for invoice distribution by loading information from
-- **Update YAML Data**: Edit and save changes to the YAML file directly from the web interface.
+  a CSV file.
-- **Simple and Responsive UI**: Built with HTML, CSS, and minimal JavaScript for a clean user experience.
+- **Dynamic Email Templating**: Personalize communications with custom email templates stored and retrieved from a YAML
+  file.
+- **Secure Email Configuration**: Conveniently store email account settings, including credentials and server details,
+  in a secure YAML file.
+- **Interactive Web Interface**: Navigate smoothly between configuration, CSV management, and email operations with a
+  responsive web interface.
+- **Automated Email Operations**: Send invoices en masse with a single click, backed by Flask for robust email
+  processing and delivery.
 
 ## Getting Started
 
-These instructions will get you a copy of the project up and running on your local machine for development and testing
+Follow these instructions to set up and run the utility locally for development and testing.
-purposes.
 
 ### Prerequisites
 
@@ -20,45 +27,43 @@ purposes.
 - Flask
 - PyYAML
 
-You can install Flask and PyYAML using pip:
+Install the required packages using:
 
 ```bash
 pip install Flask PyYAML
 ```
 
-### Installing
+### Installation
 
-1. Clone the repository to your local machine:
+1. Clone the repository:
 
-   ```bash
+```bash
-   git clone https://your-repository-url.git
+git clone https://your-repository-url.git
-   ```
+```
 
-2. Navigate to the cloned directory:
+2. Navigate to the directory:
 
-   ```bash
+```bash
-   cd flask-yaml-editor
+cd your-cloned-directory
-   ```
+```
 
-3. Start the Flask server:
+3. Launch the Flask server:
 
-   ```bash
+```bash
-   python app.py
+python app.py
-   ```
+```
 
-   Replace `app.py` with the name of your main Python script.
+4. Access the application at `http://localhost:5000`.
-
-4. Open your web browser and go to `http://localhost:5000`.
 
 ### Usage
 
-- **View YAML Data**: The text area displays the current content of the YAML file.
+- **Configuration**: Adjust email settings and templates in the Configuration tab.
-- **Edit YAML Data**: Make changes in the text area and click the 'Save Data' button to update the file.
+- **CSV Management**: Import and manage customer data for invoice distribution from a CSV file.
-- **Reload Data**: Click the 'Reload Data' button to refresh the content from the YAML file.
+- **Email Operations**: Execute invoice sending using the loaded customer data and predefined email template.
 
-## Authors
+## Contributing
 
-- **Isaak Buslovich** - *Initial work*
+- **[Your Name]**: Initial development and ongoing maintenance.
 
 ## License
 
@@ -66,13 +71,11 @@ This project is licensed under a custom licence. This licence permits private an
 by the author's employer under certain conditions. It prohibits modification, distribution, and commercial use by others
 without a separate licence.
 
-See the [LICENSE.md](LICENSE.md) file for more details.
+See [LICENSE.md](LICENSE.md) for more details.
 
 For questions regarding the use, modification, or redistribution of this software, please contact Isaak Buslovich at
 isaak.buslovich@potsdam.de.
 
 ## Acknowledgments
 
-- Hat tip to anyone whose code was used
+- Hats off to all contributors and inspirers for their support and ideas.
-- Inspiration
-- etc