#5 Update README

Author: astropenguin

README.md

@@ -1,4 +1,10 @@
 # rawdata
+
+[![Release](https://img.shields.io/pypi/v/deshima-rawdata?label=Release&color=cornflowerblue&style=flat-square)](https://pypi.org/project/deshima-rawdata/)
+[![Python](https://img.shields.io/pypi/pyversions/deshima-rawdata?label=Python&color=cornflowerblue&style=flat-square)](https://pypi.org/project/deshima-rawdata/)
+[![Downloads](https://img.shields.io/pypi/dm/deshima-rawdata?label=Downloads&color=cornflowerblue&style=flat-square)](https://pepy.tech/project/deshima-rawdata)
+[![Tests](https://img.shields.io/github/actions/workflow/status/deshima-dev/deshima-rawdata/tests.yaml?label=Tests&style=flat-square)](https://github.com/deshima-dev/deshima-rawdata/actions)
+
 DESHIMA raw data and downloader package
 
 # Usage
@@ -8,10 +14,16 @@ $ pip install deshima-rawdata
 $ deshima-rawdata download <obsid>
 ```
 
+See the command help for more information.
+
+```
+$ deshima-rawdata download --help
+```
+
 # List of raw data
 
 | Observation ID | File name | Source | Observation type |
 | --- | --- | --- | --- |
-| 20231108052231 | 20231108052231.tar.gz | Jupiter | contmap |
+| 20231108052231 | 20231108052231.tar.gz | Jupiter | raster |
 | 20231109015146 | 20231109015146.tar.gz | Jupiter | zscan |
 | 20231109060113 | 20231109060113.tar.gz | Blank sky | skydip |