updated readme

Author: datsom1

README.md

@@ -19,6 +19,9 @@
 - [Examples](#examples)
 - [Performance](#performance)
 - [Development](#development)
+- [Contributing](#contributing)
+- [Compatibility](#compatibility)
+- [Changelog](#changelog)
 - [License](#license)
 
 ---
@@ -40,7 +43,7 @@
 
 ## Installation
 
-Install the latest version directly from GitHub:
+### From GitHub (Latest Development Version)
 
 ```sh
 pip install git+https://github.com/datsom1/db-diff.git
@@ -248,11 +251,11 @@ A summary of key options:
 | `--fields TEXT`       | Comma-separated list of fields to compare (all others ignored)                               |
 | `--ignorefields TEXT` | Comma-separated list of fields to ignore during comparison                                   |
 | `--showunchanged`     | Show all fields for changed records, not just changed fields                                 |
-| `--time`              | Measure and display elapsed time for the diff operation                                      |
 | `--format TEXT`       | Explicitly specify input format: `csv`, `tsv`, or `json` (default: auto-detect)              |
 | `--encoding TEXT`     | Input file encoding (default: utf-8)                                                         |
 | `--streaming`         | Use streaming mode for very large CSV/TSV files (requires files to be sorted by key)         |
 | `--listfields`        | List available fields/columns in the input files and exit                                    |
+| `--verbose`, `-v`     | Enable verbose output with detailed logging                                                  |
 | `--version`           | Show the version and exit                                                                    |
 | `-h, --help`          | Show help message and exit                                                                   |
 
@@ -296,6 +299,12 @@ db-diff one.csv two.csv --key=Id --ignorefields=LastModifiedDate
 db-diff large1.csv large2.csv --key=Id --streaming
 ```
 
+**Verbose output with detailed logging:**
+
+```sh
+db-diff one.csv two.csv --key=Id --verbose
+```
+
 ---
 
 ## Performance
@@ -314,13 +323,31 @@ git clone https://github.com/datsom1/db-diff.git
 cd db-diff
 ```
 
-Install dependencies:
+Install development dependencies:
 
 ```sh
-pip install -e .
+pip install -e ".[dev]"
 ```
 
----
+Run tests:
+
+```sh
+pytest
+```
+
+## Contributing
+
+Contributions are welcome! Please feel free to submit a Pull Request.
+
+## Compatibility
+
+- Python 3.6+
+- Works on Windows, macOS, and Linux
+- Handles various file encodings (UTF-8, UTF-16, Latin1, etc.)
+
+## Changelog
+
+For a detailed list of changes for each version, please see the [CHANGELOG](https://github.com/datsom1/db-diff/releases).
 
 ## License
 
@@ -329,4 +356,5 @@ This project is licensed under the [Apache License 2.0](LICENSE).
 ---
 
 **Author:** Thomas Coyle  
-**Repository:** https://github.com/datsom1/db-diff
+**Repository:** https://github.com/datsom1/db-diff  
+**Last Updated:** June 2025