Merge pull request #7 from kerthcet/feat/add-oss-s3

Update Readme.md

README.md

@@ -1,2 +1,48 @@
 # OmniStore
+
+[![Latest Release](https://img.shields.io/github/v/release/inftyai/omnistore?include_prereleases)](https://github.com/inftyai/omnistore/releases/latest)
+
 An unified python client to communicate with various kinds of object-store providers.
+
+## How to use
+
+### Installation
+
+```cmd
+pip install omnistore
+```
+
+### Methods
+
+```python
+from omnistore.objstore import StoreFactory
+
+# Initialization
+client = StoreFactory.new_client(
+    provider=provider, endpoint=endpoint, bucket=bucket
+)
+
+# Upload
+client.upload(src, dest)
+
+# Download
+client.download(src, dest)
+
+# Exists
+client.exists(filename)
+
+# Delete
+client.delete(filename)
+```
+
+## Supported List
+
+- [Alibaba Cloud OSS](https://www.alibabacloud.com/help/en/oss/)
+
+## Contributions
+
+🚀 All kinds of contributions are welcomed ! Please follow [Contributing](./CONTRIBUTING.md). Thanks to all these contributors.
+
+<a href="https://github.com/inftyai/omnistore/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=inftyai/omnistore" />
+</a>