feat: add bpf-c-noop example

web3.js/examples/bpf-c-noop/.gitignore

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+/out/

web3.js/examples/bpf-c-noop/makefile

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+include ../../bpf-sdk/bpf.mk

web3.js/examples/bpf-c-noop/src/noop.c

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+/**
+ * @brief Example C-based BPF program that prints out the parameters
+ * passed to it
+ */
+
+#include <sol_bpf.h>
+
+/**
+ * Number of SolKeyedAccounts expected. The program should bail if an
+ * unexpected number of accounts are passed to the program's entrypoint
+ */
+#define NUM_KA 1
+
+extern bool entrypoint(const uint8_t *input) {
+  SolKeyedAccounts ka[NUM_KA];
+  uint8_t *data;
+  uint64_t data_len;
+
+  if (!sol_deserialize(input, NUM_KA, ka, &data, &data_len)) {
+    return false;
+  }
+  sol_print_params(NUM_KA, ka, data, data_len);
+  return true;
+}