Update version to 2.1.0 in pyproject.toml and __init__.py; update README badge to reflect current PyPI version.

Author: haeussma

README.md

@@ -1,6 +1,6 @@
 <h1 align="center">
   PyEnzyme<br>
-  <img src="https://img.shields.io/badge/PyEnzyme-1.1.5-blue" alt="v2.0.0">
+  <img alt="PyPI - Version" src="https://img.shields.io/pypi/v/pyenzyme">
   <img src="https://github.com/EnzymeML/PyEnzyme/actions/workflows/unit-tests.yaml/badge.svg" alt="Build Badge"> 
 </a>
 <a href="https://www.codacy.com/gh/EnzymeML/PyEnzyme/dashboard?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=EnzymeML/PyEnzyme&amp;utm_campaign=Badge_Grade"><img src="https://app.codacy.com/project/badge/Grade/4ceb8d010e7b456c926c8b18737ff102"/></a>

pyenzyme/__init__.py

@@ -45,4 +45,4 @@
     "group_measurements",
 ]
 
-__version__ = "2.0.0"
+__version__ = "2.1.0"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyenzyme"
-version = "2.0.1"
+version = "2.1.0"
 description = "A Python library for EnzymeML"
 authors = ["Jan Range <range.jan@web.de>"]
 license = "BSD 2-Clause License"