Nomad changes

docs/snippets/zig/utils/vector_database_integration.md

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+```zig title="Zig"
+const std = @import("std");
+const kreuzberg = @import("kreuzberg");
+
+// Configure chunking with embeddings — the resulting JSON has a `chunks`
+// array where each entry carries `content` and `embedding`. Insert those
+// into your vector store (Qdrant, pgvector, Pinecone, etc.) directly from
+// the parsed JSON.
+pub fn main() !void {
+    const config_json =
+        \\{
+        \\  "chunking": {
+        \\    "max_characters": 512,
+        \\    "overlap": 50,
+        \\    "embedding": {
+        \\      "preset": "balanced"
+        \\    }
+        \\  }
+        \\}
+    ;
+
+    const result_json = try kreuzberg.extract_file_sync("document.pdf", null, config_json);
+    defer std.heap.c_allocator.free(result_json);
+
+    const stdout = std.io.getStdOut().writer();
+    try stdout.print("{s}\n", .{result_json});
+}
+```