update README.md and setup.cfg

- remove version in installation command
- add license field in setup.cfg

CHANGELOG.md

@@ -1,5 +1,5 @@
 # CHANGELOG
-## \[v0.0.1] init
+## \[v0.0.1] init (2022/06/26)
 - WFC
   - plot WFC hitbox (x-z plot and x/z-y plot) with matplotlib toolbar
   - options:

README.md

@@ -3,7 +3,7 @@ A tool to **sup**port **S**uper **M**ario **S**unshine **T**ool **A**ssisted **S
 
 ## Installation
 ```
-pip install supSMSTAS==0.0.1
+pip install supSMSTAS
 ```
 
 ## Usage

setup.cfg

@@ -6,6 +6,7 @@ author_email = sms@sup39.dev
 description = A tool to support Super Mario Sunshine Tool Assisted Speedrun/Superplay
 long_description = file: README.md
 long_description_content_type = text/markdown
+license = GPLv3
 license_files = COPYING LICENSES/*
 url = https://github.com/sup39/supSMSTAS
 project_urls =