feat: add stores (#127)

Closes #117 

cc @kylebarron, **pyo3-object_store** is pretty tight. Just copied the
docs from **async-tiff**.

Author: gadomski

.github/workflows/ci.yaml

@@ -37,6 +37,8 @@ jobs:
           # - windows-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: true
       - uses: astral-sh/setup-uv@v3
       - uses: Swatinem/rust-cache@v2
       - name: Install Python version

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "_obstore"]
+	path = _obstore
+	url = https://github.com/developmentseed/obstore

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Added
+
+- `rustac.store` ([#127](https://github.com/stac-utils/rustac-py/pull/127))
+
 ## [0.7.2] - 2025-05-05
 
 ### Fixed