Spot client fails to construct

[kannanjgithub]

Calling your new Spot(apiKey, apiSecret) throws the below exception.

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [Mexc.Sdk.Spot]: Factory method 'getSpotClient' threw exception; nested exception is java.io.UncheckedIOException: java.io.IOException: Cannot run program "node": error=2, No such file or directory
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.3.20.jar:5.3.20]
	at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-5.3.20.jar:5.3.20]
	... 33 common frames omitted
Caused by: java.io.UncheckedIOException: java.io.IOException: Cannot run program "node": error=2, No such file or directory
	at software.amazon.jsii.JsiiRuntime.startRuntimeIfNeeded(JsiiRuntime.java:320) ~[jsii-runtime-1.95.0.jar:na]
	at software.amazon.jsii.JsiiRuntime.getClient(JsiiRuntime.java:422) ~[jsii-runtime-1.95.0.jar:na]
	at software.amazon.jsii.JsiiEngine.getClient(JsiiEngine.java:150) ~[jsii-runtime-1.95.0.jar:na]
	at software.amazon.jsii.JsiiEngine.loadModule(JsiiEngine.java:188) ~[jsii-runtime-1.95.0.jar:na]
	at software.amazon.jsii.JsiiEngine.createNewObject(JsiiEngine.java:608) ~[jsii-runtime-1.95.0.jar:na]
	at Mexc.Sdk.Spot.<init>(Spot.java:25) ~[Core-1.0.0.jar:1.0.0]
	at mexctrader.config.MexcConfiguration.getSpotClient(MexcConfiguration.java:16) ~[classes/:na]
	at mexctrader.config.MexcConfiguration$$EnhancerBySpringCGLIB$$5aec6ba.CGLIB$getSpotClient$0(<generated>) ~[classes/:na]
	at mexctrader.config.MexcConfiguration$$EnhancerBySpringCGLIB$$5aec6ba$$FastClassBySpringCGLIB$$ad582dd6.invoke(<generated>) ~[classes/:na]
	at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.3.20.jar:5.3.20]
	at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331) ~[spring-context-5.3.20.jar:5.3.20]
	at mexctrader.config.MexcConfiguration$$EnhancerBySpringCGLIB$$5aec6ba.getSpotClient(<generated>) ~[classes/:na]
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[na:na]
	at java.base/java.lang.reflect.Method.invoke(Method.java:577) ~[na:na]
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.3.20.jar:5.3.20]
	... 34 common frames omitted
Caused by: java.io.IOException: Cannot run program "node": error=2, No such file or directory
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1143) ~[na:na]
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1073) ~[na:na]
	at software.amazon.jsii.JsiiRuntime.startRuntimeIfNeeded(JsiiRuntime.java:312) ~[jsii-runtime-1.95.0.jar:na]
	... 48 common frames omitted
Caused by: java.io.IOException: error=2, No such file or directory
	at java.base/java.lang.ProcessImpl.forkAndExec(Native Method) ~[na:na]
	at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:314) ~[na:na]
	at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:244) ~[na:na]
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1110) ~[na:na]
	... 50 common frames omitted

[kannanjgithub]

CDK was not installed. Got resolved after installing aws-cdk using npm. I'd expect this sort of basic stuff to be mentioned in your README.