Footer: Sources instead of Can I?, Compare and Score changes; Research progress in search

@@ -128,5 +128,5 @@ const schemas = jsonld ? [jsonld].flat() : [];
   <footer class="footer">
     <p>Cannabis Freedom Index · Informational only, not legal advice · Map data © Natural Earth</p>
-    <p class="footer-links"><a href={`${base}about/`}>About</a> · <a href={`${base}can-i/`}>Can I?</a> · <a href={`${base}compare/`}>Compare</a> · <a href={`${base}score-changes/`}>Score changes</a> · <a href={`${base}glossary/`}>Glossary</a> · <a href={`${base}changelog/`}>Changelog</a> · <a href={`${base}rss.xml`}>RSS</a> · <a href={`${base}data/`}>Download the data</a> · <a href={`${base}llms.txt`} title="A plain-text guide to this site for language models">For AI: llms.txt</a> · <a href={`${base}data/#licence`}>Licence: data CC BY 4.0, code MIT</a></p>
+    <p class="footer-links"><a href={`${base}about/`}>About</a> · <a href={`${base}sources/`}>Sources</a> · <a href={`${base}glossary/`}>Glossary</a> · <a href={`${base}changelog/`}>Changelog</a> · <a href={`${base}rss.xml`}>RSS</a> · <a href={`${base}data/`}>Download the data</a> · <a href={`${base}llms.txt`} title="A plain-text guide to this site for language models">For AI: llms.txt</a> · <a href={`${base}data/#licence`}>Licence: data CC BY 4.0, code MIT</a></p>
     <p>Open source — the scores, explanations and code are on <a href={repo} target="_blank" rel="noopener noreferrer">GitHub</a>. Spotted a mistake or a law that changed? <a href={`${repo}/issues`} target="_blank" rel="noopener noreferrer">Open an issue</a> or send a pull request.</p>
   </footer>

@@ -12,5 +12,5 @@ export const PAGE_ICONS = {
   "data/": "iconoir:download", "score-changes/": "iconoir:list", "changelog/": "iconoir:git-commit", "articles/": "iconoir:journal", "about/": "iconoir:info-circle",
   "did-you-know/": "iconoir:light-bulb", "survey/": "iconoir:graph-up", "survey/take/": "iconoir:edit-pencil",
-  "culture/": "iconoir:palette", "culture/people/": "iconoir:community", "culture/stories/": "iconoir:book", "sources/": "iconoir:bookmark-book",
+  "culture/": "iconoir:palette", "culture/people/": "iconoir:community", "culture/stories/": "iconoir:book", "sources/": "iconoir:bookmark-book", "research/": "iconoir:percentage-circle",
   "glossary/": "iconoir:book-stack", "charts/": "iconoir:stats-report", "map/": "iconoir:map", "map/poster/": "iconoir:media-image",
 };

@@ -25,5 +25,5 @@ const rows = [
     ["History", "Laws, rulings and treaties", "history/"], ["Can I?", "Plain answers per country", "can-i/"], ["Compare", "Countries side by side", "compare/"],
     ["Download the data", "Scores, history and yearly panel", "data/"], ["Score changes", "Every score change", "score-changes/"], ["Changelog", "Every change to the site, data and text", "changelog/"],
-    ["Articles", "The longer reads on single events", "articles/"], ["About", "What the project is, its aims and commitments", "about/"], ["Did you know?", "Curious cases from the index", "did-you-know/"], ["State of Cannabis", "The yearly survey and its results", "survey/"], ["Take the survey", "Anonymous, about ten minutes", "survey/take/"], ["Culture", "A cultural atlas of cannabis", "culture/"], ["Culture: People", "Officials, preachers, scientists and presidents", "culture/people/"], ["Culture: Stories", "The people behind the laws", "culture/stories/"], ["Sources", "Every source the index cites", "sources/"], ["Glossary", "The words of cannabis law, explained", "glossary/"], ["Charts", "The history and the scores in charts", "charts/"], ["World map", "Every country coloured by its score, full screen", "map/"], ["Map poster", "The world map as a printable poster", "map/poster/"],
+    ["Articles", "The longer reads on single events", "articles/"], ["About", "What the project is, its aims and commitments", "about/"], ["Did you know?", "Curious cases from the index", "did-you-know/"], ["State of Cannabis", "The yearly survey and its results", "survey/"], ["Take the survey", "Anonymous, about ten minutes", "survey/take/"], ["Culture", "A cultural atlas of cannabis", "culture/"], ["Culture: People", "Officials, preachers, scientists and presidents", "culture/people/"], ["Culture: Stories", "The people behind the laws", "culture/stories/"], ["Sources", "Every source the index cites", "sources/"], ["Research progress", "How much of each country is researched, and what is missing", "research/"], ["Glossary", "The words of cannabis law, explained", "glossary/"], ["Charts", "The history and the scores in charts", "charts/"], ["World map", "Every country coloured by its score, full screen", "map/"], ["Map poster", "The world map as a printable poster", "map/poster/"],
   ].map(([n, s, u]) => ({ t: "p", n, s, u, ic: PAGE_ICONS[u] })),
   // the exhibitions: one row each, its rooms' names matched but not listed