Minor release cleanup (#76)

* docs: use github link for README image

This ensures that the image will also diplay properly on PyPI.

* docs: add some PyPI classifiers

* Add reno

* docs: add project URLs

README.md

@@ -1,8 +1,6 @@
 # POVMs
 
-<p align="center">
-  <img src="/docs/_static/read-me-figure.jpg" height="350">
-</p>
+![overview](https://raw.githubusercontent.com/qiskit-community/povm-toolbox/main/docs/_static/read-me-figure.jpg)
 
 This is a toolbox for working with positive operator-valued measures (POVMs).
 It enables users to use POVMs for sampling the state of quantum circuits (see

pyproject.toml

@@ -8,6 +8,20 @@ version = "0.1.0"
 readme = "README.md"
 license = {file = "LICENSE.txt"}
 
+classifiers = [
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: Apache Software License",
+    "Natural Language :: English",
+    "Operating System :: MacOS",
+    "Operating System :: POSIX :: Linux",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Topic :: Scientific/Engineering :: Physics",
+]
+
 requires-python = ">=3.9"
 
 dependencies = [
@@ -65,6 +79,10 @@ docs = [
     "reno>=4.1",
     "pytest-doctestplus>=1.2.1",
 ]
+[project.urls]
+"Documentation" = "https://qiskit-community.github.io/povm-toolbox/"
+"Changelog" = "https://qiskit-community.github.io/povm-toolbox/release-notes.html"
+"Repository" = "https://github.com/qiskit-community/povm-toolbox"
 
 [tool.coverage.run]
 branch = true

releasenotes/notes/update-release-data-e609f893d702c1ed.yaml

@@ -0,0 +1,4 @@
+---
+other:
+  - |
+    Minor documentation updates to ensure PyPI releases are presented properly.