fill in the packaging metadata (#50)

* add a description to the package file

* add a readme and use it as the long description

* add a repository link

README.md

@@ -0,0 +1,25 @@
+# xarray-ceos-alos2
+
+Read ALOS2 CEOS files into `datatree` objects.
+
+## Installation
+
+From PyPI
+
+```sh
+pip install xarray-ceos-alos2
+```
+
+From conda-forge
+
+```sh
+conda install -c conda-forge xarray-ceos-alos2
+```
+
+## Usage
+
+```python
+import ceos_alos2
+
+tree = ceos_alos2.open_alos2(url, chunks={}, backend_options={"requests_per_chunk": 4096})
+```

pyproject.toml

@@ -2,6 +2,8 @@
 name = "xarray-ceos-alos2"
 requires-python = ">= 3.10"
 license = {text = "MIT"}
+description = "xarray reader for advanced land observing satellite 2 (ALOS2) CEOS files"
+readme = "README.md"
 dependencies = [
   "toolz",
   "python-dateutil",
@@ -13,6 +15,9 @@ dependencies = [
 ]
 dynamic = ["version"]
 
+[project.urls]
+repository = "https://github.com/umr-lops/xarray-ceos-alos2"
+
 [build-system]
 requires = ["setuptools>=64.0", "setuptools-scm"]
 build-backend = "setuptools.build_meta"