feat: add search kernels method to nodejs client (#6082)

Description
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We want to add this feature to tari explorer.

Motivation and Context
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How Has This Been Tested?
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What process can a PR reviewer use to test or verify this change?
---

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Breaking Changes
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- [x] None
- [ ] Requires data directory on base node to be deleted
- [ ] Requires hard fork
- [ ] Other - Please specify

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clients/nodejs/base_node_grpc_client/src/index.js

@@ -44,7 +44,8 @@ function Client(address = "127.0.0.1:18142") {
     "getTokens",
     "getNetworkDifficulty",
     "getActiveValidatorNodes",
-    "getHeaderByHash"
+    "getHeaderByHash",
+    "searchKernels",
   ];
   methods.forEach((method) => {
     this[method] = (arg) => this.inner[method]().sendMessage(arg);