add images to docs

Author: Teque5

docs/source/conf.py

@@ -48,6 +48,8 @@
 # -- Options for HTML output
 
 html_theme = "sphinx_rtd_theme"
+html_favicon = "https://raw.githubusercontent.com/wiki/sigmf/SigMF/logo/logo-icon-32-folder.png"
+html_logo = "https://raw.githubusercontent.com/sigmf/SigMF/refs/heads/main/logo/sigmf_logo.svg"
 
 # -- Options for EPUB output
 epub_show_urls = "footnote"