Add a "Rustler" image to HTML page credit (Fixes #24)

Author: therden

main.py

@@ -58,7 +58,7 @@ def check_URL_mask(URL_mask):
                     return f"{error_prefix}Sequence definition missing hyphen."
                 # test whether an interval is defined
                 elif ";" in each_def:
-                    # test that interval is specified and is an integer
+                    # test that interval is specified and is anq = (Appointment
                     range_def, stride = each_def.split(";")
                     try:
                         int(stride)
@@ -227,9 +227,12 @@ def get_HTML_file(URL_mask, targetfile=None, thumbsize="16%", hide_missing=False
         else:
             list_of_link_elements += f"{link}</a><br>\n"  # link text
 
-    credit = "<br>This page was generated by "
+    credit = "<br><i>This page was generated by &nbsp; "
     credit += "<a href='https://github.com/therden/sequential-links-rustler'>"
-    credit += "<i>Sequential Links Rustler</i></a>"
+    credit += "<img src='https://raw.githubusercontent.com/therden/sequential-links-rustler/main/assets/logo.png' "
+    credit += "style='width: 40px; top:25px'><br></a>"
+    credit += "the <a href='https://github.com/therden/sequential-links-rustler'>"
+    credit += "Sequential Links Rustler</a>."
 
     page_bottom = f"<br>\n<i>{credit}</i>\n{display_imgs_script}\n</BODY>\n</HTML>"