Remove entries linking to defunct platforms and dead URLs

Prune resources hosted on platforms that no longer serve the original
content:
- javascriptair.com (defunct podcast network)
- scotch.io (acquired, old URLs broken)
- tutorialzine.com (domain sold, content gone)
- alligator.io (merged into DigitalOcean, old URLs dead)
- pusher.com/tutorials (5 entries, tutorial subdirectory removed)
- gold.xitu.io (migrated to juejin.cn)
- embalses.azurewebsites.net (expired Azure free-tier demo)
- openfunctioncomputers.com (Vue 1.x-era project, dead)
- YouTube AdBlitz 2016 (one-time campaign, domain decommissioned)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: claude

README.md

@@ -240,7 +240,6 @@
 - [Full Stack Radio #30 (11-23-2015)](https://www.fullstackradio.com/30)
 - [Changelog #184 (11-27-2015)](https://changelog.com/podcast/184)
 - [Software Engineering Daily (12-29-2015)](https://softwareengineeringdaily.com/2015/12/29/front-end-javascript-with-evan-you/)
-- [JavaScript Air 016 (03-30-2016)](https://javascriptair.com/episodes/2016-03-30/)
 - [Codecasts #2 - Falando Sobre Vuejs e Web Components (2016-08-19) [pt-BR]](https://soundcloud.com/codecasts/2-falando-sobre-vuejs-e-web-components)
 - [Full Stack Radio #50 (09-21-2016)](https://www.fullstackradio.com/50)
 - [和 Vue.js 框架的作者聊聊前端框架开发背后的故事 [zh-CN]](https://teahour.fm/78)
@@ -267,7 +266,6 @@
 
 - [Learn Vue 3: Step by Step](https://laracasts.com/series/learn-vue-3-step-by-step) on Laracasts
 - [Vuejs 2 Authentication Tutorial](https://auth0.com/blog/vuejs2-authentication-tutorial/) on Auth0 blog
-- [Create a GitHub File Explorer Using Vue.js](https://scotch.io/tutorials/create-a-github-file-explorer-using-vue-js) on Scotch.io
 - [Vuex introduction video - James Browne from London Vue.js Meetup #1](https://www.youtube.com/watch?v=l1KHL-TX3qs)
 - [Hybrid App Example with Laravel and Vue.js in Portuguese](https://www.youtube.com/watch?v=TGSJjDahlrQ) by @vedovelli
 - [Vue.js Screencast Series in Spanish](https://styde.net/curso-de-vue-js/) on Styde.net
@@ -298,8 +296,6 @@
 - [Vue JS 2 Tutorials](https://www.youtube.com/playlist?list=PL4cUxeGkcC9gQcYgjhBoeQH7wiAyZNrYa) on Youtube by [The Net Ninja](https://www.thenetninja.co.uk)
 - [Add a headless CMS to VueJs in 5 Minutes](https://www.storyblok.com/tp/add-a-headless-CMS-to-vuejs-in-5-minutes)
 - [vue 架构中的 Watcher](https://github.com/dengwanc/dengwanc.github.io/issues/11)
-- [Building Your First App With Vue.js](https://tutorialzine.com/2016/08/building-your-first-app-with-vue-js/)
-- [5 Practical Examples For Learning Vue.js](https://tutorialzine.com/2016/03/5-practical-examples-for-learning-vue-js/)
 - [Migrating from KnockoutJS to VueJS](https://jes.al/2017/05/migrating-from-knockoutjs-to-vuejs/)
 - [Create a quiz with Vue.js](https://medium.com/@rap2h/create-a-quiz-with-vue-js-ed1e8e0e8294) by [@rap2h](https://twitter.com/rap2h)
 - [Interactive Vue.js Screencasts For Beginners](https://scrimba.com/playlist/playlist-38)
@@ -313,7 +309,6 @@
 - [Build your own carousel with Vue](https://medium.com/@davidatomhernandez/how-to-a-simple-carousel-with-vue-138715d615d7) by [@Atom_Hernandez](https://twitter.com/Atom_Hernandez)
 - [Unit Testing Vue.js Components with the Official Vue Testing Tools and Jest](https://alexjoverm.github.io/series/Unit-Testing-Vue-js-Components-with-the-Official-Vue-Testing-Tools-and-Jest/) by [@alexjoverm](https://twitter.com/alexjoverm)
 - [Creating Vue.js Transitions & Animation: Live Examples](https://snipcart.com/blog/vuejs-transitions-animations) by [@udyuxdev](https://twitter.com/UdyUXDev)
-- [Creating Custom Vue.js Plugins](https://alligator.io/vuejs/creating-custom-plugins/)
 - [Async in VueJS part 1](https://medium.com/js-dojo/async-in-vue-js-part-1-28d96f751a2e)
 - [Async in VueJS part 2](https://medium.com/js-dojo/async-in-vuejs-part-2-45e81c836e38)
 - [Using localStorage with Vuex store without a plugin](https://www.mikestreety.co.uk/blog/vue-js-using-localstorage-with-the-vuex-store)
@@ -333,11 +328,6 @@
 - [Building a movie app interface with Vue.js](https://hackernoon.com/building-a-movie-app-interface-with-vue-js-cdc8aeb5db0b)
 - [Let’s Build a Custom Vue.js Router](https://hackernoon.com/lets-build-a-custom-vue-js-router-7de634be87c4)
 - [Build a Vue.Js E-Commerce App with ButterCMS Headless Backend](https://snipcart.com/blog/vuejs-ecommerce-headless-buttercms)
-- [Build a voting application with Go and Vue.js](https://pusher.com/tutorials/voting-app-go-vuejs)
-- [Build a collaborative painting app using Vue.js](https://pusher.com/tutorials/collaborative-painting-vuejs)
-- [Build a realtime payment dashboard with Stripe](https://pusher.com/tutorials/realtime-payment-dashboard-stripe)
-- [Build a cryptocurrency tracker using Vue.js](https://pusher.com/tutorials/cryptocurrency-tracker-vue)
-- [Build a design feedback app using Vue.js](https://pusher.com/tutorials/design-feedback-vuejs)
 - [Developing a Single Page App with Flask and Vue.js](https://testdriven.io/developing-a-single-page-app-with-flask-and-vuejs)
 - [Accepting Payments with Stripe, Vue.js, and Flask](https://testdriven.io/accepting-payments-with-stripe-vuejs-and-flask)
 - [API Driven Development With Laravel and VueJS (Free Course)](https://serversideup.net/courses/api-driven-development-laravel-vuejs/) on serversideup.net
@@ -602,15 +592,12 @@
 - [Formlets](https://www.formlets.com)
 - [Laracasts](https://laracasts.com)
 - [esa.io](https://esa.io/)
-- [稀土掘金](https://gold.xitu.io)
 - [Prague Airport](https://www.prague-airport.com/)
 - [Portfolio Site](https://corentinbac.com/)
 - [Statamic](https://statamic.com)
-- [Embalses!](https://embalses.azurewebsites.net/) - A tool to report water dam level using the U.S. Geological Survey database.
 - [TravelMap](https://clem.travelmap.fr) - A simple way for travelers to create a blog based on a Map.
 - [Proper Cloth Shirt Builder](https://propercloth.com/design-a-shirt) - Custom shirt builder.
 - [vNotes](https://github.com/IgorHalfeld/v-notes) - Simple and beautiful notepad to Markdown with Vue.js and Local Storage API.
-- [Open Function Computers](https://www.openfunctioncomputers.com/#!/home)
 - [Dermail](https://github.com/zllovesuki/dermail-webmail) - A webmail client written in Vue.js for Dermail, a mail system written in node.js.
 - [octimine](https://www.octimine.com/) - A patent search engine.
 - [Draxed](https://www.draxed.com/) - A web based MySQL and PostgreSQL data browser and dashboard manager.
@@ -748,7 +735,6 @@
 
 ### Interactive Experiences
 
-- [YouTube AdBlitz 2016](https://adblitz.withyoutube.com/#!/advertisers)
 - [Louis Ansa Website (portfolio)](https://louisansa.com)
 - [Djeco.com](https://www.djeco.com/en)
 - [TR-101 Synth Drum Machine](https://inverted3.gitlab.io/drum-machine)