add banner images and copyright notice in README

Author: dragoncoder047

README.md

@@ -13,3 +13,7 @@ if __name__ == '__main__':
 That way, all the makefile has to do is run `build.py`. (It's actually a bit more complicated here, because the static files do not live in the theme folder, so they must be copied over manually.)
 
 `markdown/` contains the source files, `docs/` contains the output HTML. I would call it something different, but Github Pages only let you deploy from either the root or `docs/`, and I got tired of all the output HTML cluttering up the root, so `docs/` it is.
+
+## Images
+
+The images in `markdown/images` (and the copies in `docs/images`) are copyright © 2023-present me, and may not be used without either permission or attribution.

build.py

@@ -10,14 +10,14 @@
 SITENAME = "dragoncoder047’s site"
 SITESUBTITLE = "projects, ideas, and everything else"
 SITEURL = "https://dragoncoder047.github.io"
-LOGO = "/images/foo.svg"
+LOGO = "/images/yazani/yazani_1_extracted_bg.svg"
 LOGO_AREA_HTML = ('<a href="/" class="flex-row"><div class="flex-row">'
-                  f'<img src="{LOGO}" alt="under construction..."/>'
+                  f'<img src="{LOGO}" />'
                   '<div id="sitename-text">'
                   f'<h1>{SITENAME}</h1><h2>{SITESUBTITLE}</h2>'
                   '</div></div></a>')
-ICON = "/images/foo.svg"
-ICON_MIMETYPE = "image/svg+xml"
+ICON = "/images/yazani_1_extracted_bg_big_eyes_cropped.png"
+ICON_MIMETYPE = "image/png"
 THEME_CSS_FILE = "/static/css/theme.css"
 THEME_MAIN_CSS = "/static/css/main.css"
 EXTRA_JS = "/static/misc.js"