update README.md

README.md

@@ -4,7 +4,9 @@
 [![codecov](https://codecov.io/github/DeepPSP/sphinx-emoji-favicon/graph/badge.svg?token=XO53nHzvUM)](https://codecov.io/github/DeepPSP/sphinx-emoji-favicon)
 [![pytest](https://github.com/DeepPSP/sphinx-emoji-favicon/actions/workflows/run-pytest.yml/badge.svg)](https://github.com/DeepPSP/sphinx-emoji-favicon/actions/workflows/run-pytest.yml)
 [![license](https://img.shields.io/github/license/DeepPSP/sphinx-emoji-favicon?style=flat-square)](LICENSE)
+![GitHub Release Date - Published_At](https://img.shields.io/github/release-date/DeepPSP/sphinx-emoji-favicon)
 [![downloads](https://img.shields.io/pypi/dm/sphinx-emoji-favicon?style=flat-square)](https://pypistats.org/packages/sphinx-emoji-favicon)
+![GitHub commits since latest release (by SemVer including pre-releases)](https://img.shields.io/github/commits-since/DeepPSP/sphinx-emoji-favicon/latest)
 
 A simple sphinx extension to add emoji favicon to your sphinx site.
 
@@ -28,15 +30,25 @@ Add `sphinx_emoji_favicon` to your `conf.py`:
 ```python
 extensions = [
     ...
-    'sphinx_emoji_favicon',
+    "sphinx_emoji_favicon",
     ...
 ]
 ```
 
 Then add the following to your `conf.py`:
 
 ```python
-emoji_favicon = '🦄'
-# or emoji_favicon = ':unicorn:'
-# or emoji_favicon = ':独角兽:'
+emoji_favicon = "🦄"
+# or emoji_favicon = ":unicorn:"
+# or emoji_favicon = ":独角兽:"
+```
+
+or with additional options:
+
+```python
+emoji_favicon = {
+    "emoji": ":lion:",  # "Leo" in English
+    "language": "fr",
+    "twemoji_cdns": "https://cdn.staticfile.org/twemoji/",  # or with version and/or assets type: "https://cdn.staticfile.org/twemoji/13.1.0/72x72/"
+}
 ```