feat: Add pause command

Author: Jan Krems

examples/myscript.js

@@ -4,7 +4,7 @@ console.log('initial thing');
 debugger;
 const x = process.argv[2] || 'world';
 setInterval(() => {
-  debugger;
+  // debugger;
   console.log(x);
 }, 1000);
 console.log('hello');

lib/node-inspect.js

@@ -536,6 +536,10 @@ function createCommandContext(inspector) {
       return Debugger.stepOut();
     },
 
+    get pause() {
+      return Debugger.pause();
+    },
+
     // List source code
     list(delta = 5) {
       const { scriptId, lineNumber, columnNumber } = currentSourceLocation;