Add documentation

.gitignore

@@ -54,6 +54,7 @@ coverage.xml
 .hypothesis/
 .pytest_cache/
 cover/
+src/astro_image_display_api/version.py
 
 # Translations
 *.mo
@@ -74,6 +75,7 @@ instance/
 
 # Sphinx documentation
 docs/_build/
+docs/api/
 
 # PyBuilder
 .pybuilder/

.pre-commit-config.yaml

@@ -1,6 +1,3 @@
-ci:
-  autoupdate_commit_msg: 'chore: update pre-commit hooks'
-
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0
@@ -26,6 +23,7 @@ repos:
       - id: mixed-line-ending
         # Makes all line endings unix-style
         args: [--fix=lf]
+        exclude: docs/make.bat
 
 
 # Per the ruff documentation, this should be before black
@@ -47,3 +45,9 @@ repos:
   rev: v2.4.1
   hooks:
   - id: codespell
+
+# Make pre-commit-ci more reasonable
+ci:
+  autofix_prs: false
+  autoupdate_commit_msg: '[pre-commit.ci] pre-commit autoupdate'
+  autoupdate_schedule: weekly

.readthedocs.yaml

@@ -0,0 +1,22 @@
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the OS, Python version, and other tools you might need
+build:
+  os: ubuntu-24.04
+  tools:
+    python: "3.13"
+
+# Build documentation in the "docs/" directory with Sphinx
+sphinx:
+   configuration: docs/conf.py
+
+# Optionally, but recommended,
+# declare the Python requirements required to build your documentation
+# See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+# python:
+#    install:
+#    - requirements: docs/requirements.txt

docs/Makefile

@@ -0,0 +1,20 @@
+# 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)

docs/_static/astropy.css

@@ -0,0 +1,26 @@
+/* Copied from astropy repo */
+/* Main page overview cards */
+
+.sd-card .sd-card-img-top {
+  height: 52px;
+  width: 52px;
+  margin-left: auto;
+  margin-right: auto;
+  margin-top: 10px;
+}
+
+/* Dark theme tweaking */
+html[data-theme=dark] .sd-card img[src*='.svg'] {
+    filter: invert(0.82) brightness(0.8) contrast(1.2);
+}
+
+/* Flip the colours on graphviz graphs on dark mode */
+html[data-theme="dark"] div.graphviz > object.inheritance {
+  filter: invert(0.82) brightness(0.8) contrast(1.2);
+}
+html[data-theme="dark"] div.graphviz > object.graphviz {
+  filter: invert(0.82) brightness(0.8) contrast(1.2);
+}
+html[data-theme="dark"] ul.cooframelegend {
+  filter: invert(0.82) brightness(0.8) contrast(1.2);
+}

docs/api.rst

@@ -0,0 +1,7 @@
+.. _api_reference:
+
+AID API Reference
+=================
+
+.. automodapi:: astro_image_display_api.interface_definition
+    :no-inheritance-diagram: