Implement search scorer to deprioritise retro notes

Author: Tom-Willemsen

doc/conf.py

@@ -2,6 +2,7 @@
 #
 # For the full list of built-in configuration values, see the documentation:
 # https://www.sphinx-doc.org/en/master/usage/configuration.html
+import os.path
 
 # -- Project information -----------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
@@ -78,6 +79,8 @@
 html_last_updated_fmt = ""
 html_show_copyright = False
 
+html_search_scorer = os.path.join(os.path.dirname(__file__), "searchscorer.js")
+
 spelling_lang = "en_GB"
 spelling_filters = ["enchant.tokenize.MentionFilter"]
 spelling_warning = True