Move javascript examples directory under wasm

wasm/examples/nodejs-wasm/.gitignore

@@ -0,0 +1,2 @@
+node_modules
+dist

wasm/examples/nodejs-wasm/index.js

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+const jsonpath = require('jsonpath-wasm');
+
+let jsonObj = {
+    "school": {
+        "friends": [
+            {"name": "친구1", "age": 20},
+            {"name": "친구2", "age": 20}
+        ]
+    },
+    "friends": [
+        {"name": "친구3", "age": 30},
+        {"name": "친구4"}
+    ]
+};
+
+let ret = [
+    {"name": "친구3", "age": 30},
+    {"name": "친구1", "age": 20}
+];
+
+const path = '$..friends[0]';
+
+let ret1 = jsonpath.select(jsonObj, path);
+let ret2 = jsonpath.compile(path)(jsonObj);
+let ret3 = jsonpath.selector(jsonObj)(path);
+
+let selector = new jsonpath.Selector();
+selector.path(path);
+selector.value(jsonObj);
+let ret4 = selector.select();
+
+console.log(
+    JSON.stringify(ret) == JSON.stringify(ret1),
+    JSON.stringify(ret) == JSON.stringify(ret2),
+    JSON.stringify(ret) == JSON.stringify(ret3),
+    JSON.stringify(ret) == JSON.stringify(ret4)
+);

wasm/examples/nodejs-wasm/package-lock.json

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+{
+  "name": "jsonpath-wasm-nodejs-example",
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "jsonpath-wasm": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/jsonpath-wasm/-/jsonpath-wasm-0.2.4.tgz",
+      "integrity": "sha512-sxvPEFMpAoNjxUQOkJmVyE3dKX7v4ebX5TkWKguyHteZpHJKlMQbgPKFYL0X3SIU7wAstpOl6hVODLThVmJf1w=="
+    }
+  }
+}

wasm/examples/nodejs-wasm/package.json

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+{
+  "name": "jsonpath-wasm-nodejs-example",
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "jsonpath-wasm": "^0.2.4"
+  }
+}