doc: notable improvements to API documentation generation (added search, branding, a little styling)

Signed-off-by: Paul Horton <phorton@sonatype.com>

Author: madpah

.github/workflows/docs.yml

@@ -35,7 +35,7 @@ jobs:
 
       - name: Build documentation
         run: |
-          poetry run pdoc --html cyclonedx
+          poetry run pdoc --template-dir doc/templates --html cyclonedx
       - name: Deploy documentation
         uses: JamesIves/github-pages-deploy-action@4.1.5
         with:

doc/templates/config.mako

@@ -0,0 +1,10 @@
+<%!
+
+git_link_template = 'https://github.com/cyclonedx-python-lib/blob/{commit}/{path}#L{start_line}-L{end_line}'
+
+google_search_query = '''
+    site:cyclonedx.github.io
+    inurl:github.com/cyclonedx/cyclonedx-python-lib
+'''
+
+%>