Setup for ReadtheDocs (#5)

* Set up documentation config for ReadtheDocs

* Fix image link and markdown lint violations in README

* Target develop branch for bot PRs

docs/conf.py

@@ -0,0 +1,38 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# This file only contains a selection of the most common options. For a full
+# list see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+import re
+import shutil
+
+from rocm_docs import ROCmDocs
+
+shutil.copy2('../README.md','./index.md')
+
+with open('../CMakeLists.txt', encoding='utf-8') as f:
+    match = re.search(r'.*\bset\(VERSION\s+\"?([0-9.]+)[^0-9.]+', f.read())
+    if not match:
+        raise ValueError("VERSION not found!")
+    version_number = match[1]
+left_nav_title = f"rocJPEG {version_number} Documentation"
+
+# for PDF output on Read the Docs
+project = "rocJPEG Documentation"
+author = "Advanced Micro Devices, Inc."
+copyright = "Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved."
+version = version_number
+release = version_number
+
+external_toc_path = "./sphinx/_toc.yml"
+
+docs_core = ROCmDocs(left_nav_title)
+docs_core.run_doxygen(doxygen_root="doxygen", doxygen_path="doxygen/xml")
+docs_core.enable_api_reference()
+docs_core.setup()
+
+external_projects_current_project = "rocjpeg"
+
+for sphinx_var in ROCmDocs.SPHINX_VARS:
+    globals()[sphinx_var] = getattr(docs_core, sphinx_var)