Disable MD025 markdownlint rule to allow multiple top-level headings (#33)

* Initial plan

* disable MD025 rule in markdownlint configuration

Co-authored-by: Malcolmnixon <1863707+Malcolmnixon@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Malcolmnixon <1863707+Malcolmnixon@users.noreply.github.com>

Author: Copilot

.markdownlint-cli2.jsonc

@@ -4,6 +4,7 @@
     "MD003": { "style": "atx" },
     "MD007": { "indent": 2 },
     "MD013": { "line_length": 120 },
+    "MD025": false,
     "MD033": false,
     "MD041": false
   },