docs: create official docs

Author: kaya70875

.readthedocs.yaml

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+# .readthedocs.yaml
+version: 2
+
+# Build configuration for Read the Docs
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"   # Match your project’s Python version
+
+sphinx:
+  configuration: docs/conf.py   # Path to your Sphinx conf.py
+
+# Optionally build PDF & ePub
+formats:
+  - pdf
+  - epub
+
+# Install your package and dependencies
+python:
+  install:
+    - method: pip
+      path: .
+    - requirements: docs/requirements.txt

docs/Makefile

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+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line, and also
+# from the environment for the first two.
+SPHINXOPTS    ?=
+SPHINXBUILD   ?= sphinx-build
+SOURCEDIR     = .
+BUILDDIR      = _build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)