Add autolabels so intersphinx can link to anchors like index#install

Author: kinow

.gitignore

@@ -55,3 +55,6 @@ value
 
 # Folder created when using make
 cwltool_deps
+docs/_build/
+docs/autoapi/
+

docs/conf.py

@@ -38,6 +38,7 @@
 extensions = [
     "sphinx.ext.autodoc",
     "sphinx.ext.autosummary",
+    "sphinx.ext.autosectionlabel",
     "sphinx.ext.intersphinx",
     "sphinx.ext.inheritance_diagram",
     "autoapi.extension",
@@ -46,6 +47,8 @@
     "sphinxcontrib.autoprogram",
 ]
 
+autosectionlabel_prefix_document = True
+
 intersphinx_mapping = {
     "python": ("https://docs.python.org/3", None),
     "schema_salad": ("https://schema-salad.readthedocs.io/en/stable/", None),