fix(rln): exclude large resource files from crate package

rln/Cargo.toml

@@ -7,6 +7,10 @@ description = "APIs to manage, compute and verify zkSNARK proofs and RLN primiti
 documentation = "https://github.com/vacp2p/zerokit"
 homepage = "https://vac.dev"
 repository = "https://github.com/vacp2p/zerokit"
+exclude = [
+    "resources/tree_depth_10/",
+    "resources/**/*.wasm",
+]
 
 [lib]
 crate-type = ["rlib", "staticlib", "cdylib"]

rln/README.md

@@ -121,6 +121,13 @@ and it's used to prevent a RLN ZK proof generated for one application to be re-u
   Accelerate proof generation by caching the infrequently-changing portion of the witness,
   so only the small message-specific remainder is computed on each proof.
 - **Pre-compiled Circuits**: Ready-to-use circuits with Merkle tree depth of 10 and 20.
+  > **Note:** The crates.io package only includes tree depth 20 resources
+  > (arkzkey and graph files) that are compiled into the binary at build time.
+  > Tree depth 10 resources and `.wasm` files are excluded from the package
+  > to stay within the crates.io size limit.
+  > If you need tree depth 10 or `.wasm` circuit files,
+  > download them from the
+  > [GitHub repository](https://github.com/vacp2p/zerokit/tree/master/rln/resources).
 - **Wasm Support**: WebAssembly bindings via rln-wasm crate with features like:
   - Browser and Node.js compatibility
   - Optional parallel feature support using