Update package informations

- Add badges to README.md
- Add classifiers to setup.cfg

README.md

@@ -1,5 +1,19 @@
 # python-timeout-iterator
 
+`timeout-iterator` provides a timeout in iteration.
+
+[![Python](https://img.shields.io/pypi/pyversions/timeout-iterator.svg)](https://badge.fury.io/py/timeout-iterator)
+[![PyPI version](https://img.shields.io/pypi/v/timeout-iterator.svg)](https://pypi.python.org/pypi/timeout-iterator/)
+[![codecov](https://codecov.io/gh/kitsuyui/python-timeout-iterator/branch/main/graph/badge.svg?token=LiuhQeZsnc)](https://codecov.io/gh/kitsuyui/python-timeout-iterator)
+[![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
+[![timeout-iterator](https://snyk.io/advisor/python/timeout-iterator/badge.svg)](https://snyk.io/advisor/python/timeout-iterator)
+
+## Installation
+
+```bash
+$ pip install timeout-iterator
+```
+
 ## Usage
 
 ### without_terminate

setup.cfg

@@ -11,6 +11,13 @@ url = https://github.com/kitsuyui/python-timeout-iterator
 classifiers =
     Development Status :: 3 - Alpha
     License :: OSI Approved :: BSD License
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
+    Intended Audience :: Developers
+    Topic :: Software Development :: Libraries
 
 [options]
 packages = timeout_iterator