Add installation instruction file;

Order directories.

pyproject.toml

@@ -0,0 +1,61 @@
+[build-system]
+requires = ["setuptools>=61.2"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "Rivista"
+version = "1.0"
+description = "A private journal publication and a content management system for XMPP"
+authors = [{name = "Schimon Zachary", email = "sch@fedora.email"}]
+license = {text = "MIT"}
+classifiers = [
+    "Framework :: slixmpp",
+    "Intended Audience :: End Users/Desktop",
+    "License :: OSI Approved :: MIT License",
+    "Natural Language :: English",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3.10",
+    "Topic :: Internet :: Extensible Messaging and Presence Protocol (XMPP)",
+    "Topic :: Internet :: WWW/HTTP :: Dynamic Content :: News/Diary",
+    "Topic :: Internet :: XMPP",
+    "Topic :: Office/Business :: News/Diary",
+]
+keywords = [
+    "atom",
+    "blog",
+    "cms",
+    "jabber",
+    "journal",
+    "news",
+    "ssg",
+    "syndication",
+    "xml",
+    "xmpp",
+]
+
+dependencies = [
+    "beautifulsoup4",
+    "fastapi",
+    "lxml",
+    "markdown",
+#   "markdown-text-clean",
+#   "md2gemini",
+    "python-dateutil",
+    "slixmpp",
+    "tomli", # Python 3.10
+    "uvicorn",
+]
+
+[project.urls]
+Homepage = "https://schapps.woodpeckersnest.eu/rivista/"
+Repository = "https://git.xmpp-it.net/sch/Rivista"
+Issues = "https://git.xmpp-it.net/sch/Rivista/issues"
+
+[project.scripts]
+rivista = "rivista.__main__:main"
+
+[tool.setuptools]
+platforms = ["any"]
+
+[tool.setuptools.package-data]
+"*" = ["*.toml"]