[feature] add dev flow with watching and restarting

Author: besarthoxhaj

.gitignore

@@ -1,3 +1,7 @@
+# Node
+node_modules
+build
+
 # Prerequisites
 *.d
 

examples/helloworld.cpp

@@ -1,6 +1,5 @@
 #include <iostream>
 
-int main()
-{
+int main() {
   std::cout << "Hello world!" << std::endl;
 }