update changelog and readme

Author: ank1m

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Common Changelog](https://common-changelog.org/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Switched dependency management and packaging from Poetry to uv for faster installs and simplified workflow. ([#182](https://github.com/nasa/batchee/issues/182))([**@ank1m**](https://github.com/ank1m))
+
 ## [1.5.2] - 2025-09-16
 
 ### Fixed

README.md

@@ -65,11 +65,11 @@ git clone <Repository URL>
 cd batchee
 ```
 
-**(Option A) using poetry (Recommended for development):**
+**(Option A) using uv (Recommended for development):**
 
 ```shell
-# Install poetry: https://python-poetry.org/docs/
-poetry install
+# Install uv: https://docs.astral.sh/uv/getting-started/installation/
+uv sync
 ```
 
 **(Option B) using pip:**
@@ -86,9 +86,9 @@ pip install .
 batchee [file_names ...]
 ```
 
-### With Poetry (if installed via poetry)
+### With uv (if installed via uv)
 ```shell
-poetry run batchee [file_names ...]
+uv run batchee [file_names ...]
 ```
 
 ### Options