feat!: Include ZIM files in releases (#3102)

tools/symlink-duplicates.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -euo pipefail
+
+declare -A file_hashes
+
+find . -type f | while read -r file; do
+  hash=$(sha256sum "$file" | awk '{print $1}')
+  if [[ -n "${file_hashes[$hash]+_}" ]]; then
+    # Duplicate found, replace with symlink to first copy
+    first="${file_hashes[$hash]}"
+    # Remove the duplicate file
+    rm "$file"
+    # Create symlink (relative path)
+    ln -s "$(realpath --relative-to="$(dirname "$file")" "$first")" "$file"
+    echo "Replaced duplicate: $file -> $first"
+  else
+    # First time seeing this hash
+    file_hashes[$hash]="$file"
+  fi
+done