Move project to uv

This project is quite old and dusty. This should make it much simpler to
develop future updates. I also want to automate updates after I'm done
with the rewrite.

.gitignore

@@ -28,3 +28,5 @@ MANIFEST
 ### Emacs
 
 .log
+
+.env

.python-version

@@ -0,0 +1 @@
+3.12

pyproject.toml

@@ -0,0 +1,28 @@
+[project]
+name = "Flask-Babel-JS"
+version = "1.0.3"
+description = "Flask extension to add Flask-Babel translations in JS"
+readme = "README.md"
+requires-python = ">=3.9"
+dependencies = [
+    "flask-babel~=4.0",
+    "flask~=3.1",
+]
+classifiers = [
+    "Environment :: Web Environment",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[[tool.uv.index]]
+name = "testpypi"
+url = "https://test.pypi.org/simple/"
+publish-url = "https://test.pypi.org/legacy/"