doc: add a note to CONTRIBUTING.md about the /adr dir

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sparklemotion · Sep 18, 2024 · 5f4b0aa · 5f4b0aa
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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -7,6 +7,11 @@ This doc is a short introduction on how to modify and maintain the sqlite3-ruby
 
 ## Architecture notes
 
+### Decision record
+
+As of 2024-09, we're starting to keep some architecture decisions in the subdirectory `/adr`, so
+please look there for additional information.
+
 ### Garbage collection
 
 All statements keep pointers back to their respective database connections.