Adding scrape files for testing

server/tests/fixtures/html/README.md

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+# HTML fixtures
+
+Frozen, hand-trimmed snapshots used by `server/tests/helpers/SiteScrape.test.js`.
+
+These are **not** fetched live. Each file isolates one parsing situation so a
+failure points at a specific branch. Add a new file rather than growing an
+existing one when covering a new case.