Update Readme

Author: t-ober

README.md

@@ -1,9 +1,17 @@
-# psdm-analysis
+# pypsdm
 
-The psdm-analysis tool is meant to parse the [Power System Data Model (PSDM)](https://github.com/ie3-institute/PowerSystemDataModel) as well as provide calculation and plotting utilities to analyze the respective data.
+pypsdm aims to make power system model analysis a breeze. It is based upon the [Power System Data Model (PSDM)](https://github.com/ie3-institute/PowerSystemDataModel). 
+
+Its main functionalities include:
+
+- parsing grid models and associated result data
+- calculation utilities for event discrete time series data 
+- plotting capabilities for grid and result data
 
 It is currently under development. So if you want to use it, expect it to change quite frequently for now.
 
+[![PyPI version](https://badge.fury.io/py/pypsdm](https://badge.fury.io/py/pypsdm)
+
 ## Installation
 
 To add the project as dependency run 
@@ -71,4 +79,4 @@ results = GridResultContainer.from_csv(result_path)
 - When adding the project as a dependency the language server of the code editors do not 
 suggest autoimports for all symbols of the project, which means they have to be imported
 manually. It might  have something to do with how poetry publishes the artifacts. If you
-have an idea what the issue could be any tipps are welcome.
+have an idea what the issue could be any tipps are welcome.