Update docs

scripts/prepare-docs.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -o errexit
+set -euo pipefail
 
 OUTDIR="$(node -p 'require("./docs/config.js").outputDir')"
 
@@ -12,4 +12,12 @@ rm -rf "$OUTDIR"
 
 hardhat docgen
 
+# copy examples and adjust imports
+examples_dir="docs/modules/api/examples"
+mkdir -p "$examples_dir"
+for f in contracts/mocks/docs/*.sol; do
+  name="$(basename "$f")"
+  sed -e '/^import/s|\.\./\.\./|@openzeppelin/contracts/|' "$f" > "docs/modules/api/examples/$name"
+done
+
 node scripts/gen-nav.js "$OUTDIR" > "$OUTDIR/../nav.adoc"