feat: update docs and python requirements

pyproject.toml

@@ -0,0 +1,32 @@
+[build-system]
+requires = ["setuptools>=64", "setuptools-scm>=8"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pdfuck"
+dynamic = ["version"]
+description = "PDFuck: Remove the password of your PDF file. A tool to remove PDF editing password, which is used in CLI (command line) mode."
+readme = "README.md"
+license = "GPL-3.0"
+authors = [
+    { name = "JiJi", email = "i@mmdjiji.com" },
+]
+requires-python = ">=3.8"
+dependencies = [
+    "pikepdf",
+]
+classifiers = [
+    "Programming Language :: Python :: 3",
+]
+
+[project.urls]
+Homepage = "https://github.com/mmdjiji/pdfuck"
+
+[project.scripts]
+pdfuck = "pdfuck:main"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+include = ["pdfuck*"]
+
+[tool.setuptools_scm]