[Infra] Add pypi and license badges (#76)

.github/workflows/build_docs.yml

@@ -1,4 +1,4 @@
-name: Build documentation
+name: Documentation
 
 on:
   push:

.github/workflows/lint.yml

@@ -1,4 +1,4 @@
-name: Lint and type check
+name: Linting
 
 on:
   push:

.github/workflows/test_fast.yml

@@ -1,4 +1,4 @@
-name: Fast tests
+name: Tests
 
 on:
   push:

README.md

@@ -3,11 +3,11 @@
 **Qadence** is a Python package that provides a simple interface to build _**digital-analog quantum
 programs**_ with tunable qubit interaction defined on _**arbitrary register topologies**_ realizable on neutral atom devices.
 
-[![pre-commit](https://github.com/pasqal-io/qadence/actions/workflows/lint.yml/badge.svg)](https://github.com/pasqal-io/qadence/actions/workflows/lint.yml)
-[![tests](https://github.com/pasqal-io/qadence/actions/workflows/test_fast.yml/badge.svg)](https://github.com/pasqal-io/qadence/actions/workflows/test_fast.yml)
-[![Build documentation](https://github.com/pasqal-io/qadence/actions/workflows/build_docs.yml/badge.svg)](https://pasqal-io.github.io/qadence/latest)
-
-Documentation can be found [here](https://pasqal-io.github.io/qadence/latest).
+[![Linting](https://github.com/pasqal-io/qadence/actions/workflows/lint.yml/badge.svg)](https://github.com/pasqal-io/qadence/actions/workflows/lint.yml)
+[![Tests](https://github.com/pasqal-io/qadence/actions/workflows/test_fast.yml/badge.svg)](https://github.com/pasqal-io/qadence/actions/workflows/test_fast.yml)
+[![Documentation](https://github.com/pasqal-io/qadence/actions/workflows/build_docs.yml/badge.svg)](https://pasqal-io.github.io/qadence/latest)
+[![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
+[![Pypi](https://badge.fury.io/py/qadence.svg)](https://pypi.org/project/qadence/)
 
 ## Feature highlights