[docs] Add restbuilder builder for single page .rst builds (#53)

docs/CMakeLists.txt

@@ -18,3 +18,10 @@ add_custom_target(markdown
     COMMENT "Building Markdown documentation"
     VERBATIM
 )
+
+# Build reStructuredText documentation
+add_custom_target(rst
+    COMMAND ${SPHINX_EXECUTABLE} -b rst ${SPHINX_SOURCE} ${SPHINX_BUILD}
+    COMMENT "Building reStructuredText documentation"
+    VERBATIM
+)

docs/requirements.txt

@@ -5,3 +5,4 @@ sphinx
 sphinx-llms-txt
 sphinxext-opengraph
 sphinx-markdown-builder
+sphinxcontrib-restbuilder

docs/source/advanced-configuration.rst

@@ -293,8 +293,8 @@ Your URI template can use the following variables:
 - ``{sourcelink_suffix}`` - The suffix from ``html_sourcelink_suffix`` configuration (e.g., ``.txt``)
 
 .. tip::
-   Instead of using the default of linking to ``_sources``, you can generate Markdown files from your documentation and link to those in ``llms.txt``.
-   See this package's `CMake setup <https://github.com/jdillard/sphinx-llms-txt>`_ for an example of building both HTML and Markdown in parallel.
+   Instead of using the default of linking to ``_sources``, you can generate Markdown and/or reStructuredText files from your documentation and link to those in ``llms.txt``.
+   See this package's `CMake setup <https://github.com/jdillard/sphinx-llms-txt>`_ for an example of building both HTML and Markdown and/or reStructuredText in parallel.
    Note that ``_sources`` is still needed for ``llms-full.txt`` at this time.
 
 .. _integration_examples:

docs/source/conf.py

@@ -15,6 +15,7 @@ import subprocess
 project = "sphinx-llms-txt"
 copyright = "Jared Dillard"
 author = "Jared Dillard"
+
 llms_txt_uri_template = "{base_url}{docname}.md"
 llms_txt_code_files = ["+:../../sphinx_llms_txt/*.py"]
 llms_txt_summary = """
@@ -22,6 +23,9 @@ A Sphinx extension that generates a summary llms.txt file,written in Markdown,
 and a single combined documentation llms-full.txt file, written in reStructuredText.
 """
 
+# This doesn't seem to be supported
+# rst_file_suffix = ".html.rst"
+
 # check if the current commit is tagged as a release (vX.Y.Z)
 try:
     GIT_TAG_OUTPUT = subprocess.check_output(["git", "tag", "--points-at", "HEAD"])
@@ -50,6 +54,7 @@ extensions = [
     "sphinx.ext.intersphinx",
     "sphinx_contributors",
     "sphinx_llms_txt",
+    "sphinxcontrib.restbuilder",
 ]
 
 # The language for content autogenerated by Sphinx. Refer to documentation