Added some cool resources!

Added "Deep JavaScript" book and "Loupe".
Besides, updated the YDKJS description.

resources/javascript.json

@@ -40,10 +40,16 @@
     },
     {
       "title": "YDKJS",
-      "desc": "This is a free series of books diving deep into the core mechanisms of the JavaScript language. The first edition of the series is now complete.",
+      "desc": "This is a free series of books diving deep into the core mechanisms of the JavaScript language. The first edition of the series is now complete, and the first two chapters of the second edition have already been published.",
       "url": "https://github.com/getify/You-Dont-Know-JS",
       "tags": ["online", "comprehensive", "courses"]
     },
+    {
+      "title": "Deep JavaScript",
+      "desc": "A high-end book by Dr. Axel Rauschmayer which answers some of the questions that experienced JS developers might still encounter through their career.",
+      "url": "https://exploringjs.com/deep-js/",
+      "tags": ["book", "basics", "advanced"]
+    },
     {
       "title": "Eloquent Javascript 3rd Edition",
       "desc": "This is a book about javascript, programming, and the wonders of the digital. You can read it online or get a paperback copy of it.",
@@ -92,6 +98,12 @@
       "url": "https://learnjavascript.online/",
       "tags": ["flashcards", "challenges", "fundamentals"]
     },
+    {
+      "title": "Loupe",
+      "desc": "Loupe is a little visualisation to help you understand how JavaScript's call stack/event loop/callback queue interact with each other.",
+      "url": "http://latentflip.com/loupe/",
+      "tags": ["event", "queue", "visualizer"]
+    },
     {
       "title": "Code to go",
       "desc": "Find up to date snippets for common JavaScript use cases",
@@ -111,4 +123,4 @@
       "tags": ["email", "solutions", "detailed"]
     }
   ]
-}
+}