Add miksi js lib for build witness calculation

test/miksi.test.ts

@@ -0,0 +1,26 @@
+const fs = require("fs");
+
+const miksi = require("../src/miksi.ts");
+
+export {};
+
+describe("deposit test", function () {
+    this.timeout(200000);
+
+    it("Test Deposit", async () => {
+        const secret = "1234567890";
+        const nullifier = "567891234";
+	const commitments = [];
+
+	const wasm = await fs.promises.readFile("./build/deposit.wasm");
+	console.log("w", wasm.length);
+
+	const witness = await miksi.calcWitness(wasm, secret, nullifier, commitments);
+	// console.log("w", witness);
+
+
+	// const pk = await fs.promises.readFile("./build/deposit-proving_key.bin");
+	// const proof = await miksi.calcProof(witness, pk);
+
+    });
+});