doc: add license and index page

Signed-off-by: Ar Rakin <[email protected]>

Author: virtual-designer

doc/common-config.org

@@ -7,7 +7,7 @@
 #+html_content_class: content
 #+description:
 #+keywords:
-#+html_link_home:
+#+html_link_home: index.html
 #+html_link_up:
 #+html_mathjax:
 #+html_equation_reference_format: \eqref{%s}

doc/getting-started.org

@@ -119,3 +119,6 @@ Here is a simple configuration that creates a virtual host to serve ~/var/www/ht
 
 Feel free to directly contact me, the project maintainer,
 at [[mailto:[email protected]][<[email protected]>]].
+
+#+ATTR_HTML: :width 256
+[[https://raw.githubusercontent.com/onesoft-sudo/freehttpd/refs/heads/main/res/freehttpd_http.png]]