Add README.md

utils/tm-prover/README.md

@@ -0,0 +1,16 @@
+# The Tendermint light client prover
+
+Enables stateless light client verification by generating a light client proof (AKA verification trace) for a given
+block height and trusted height/hash.
+
+## Usage
+
+```bash
+cargo run -- --chain-id osmosis-1 \
+          --primary https://rpc.osmosis.zone \
+          --witnesses https://rpc.osmosis.zone \
+          --trusted-height 12230413 \
+          --trusted-hash D3742DD1573436AF972472135A24B31D5ACE9A2C04791A76196F875955B90F1D \
+          --height 12230423 \
+          --trace-file light-client-proof.json
+```