I long to add some interesting ones below to my simple framework. As a result, the version 1.4 is released:

• integrating Custom Field – Image Coordinate Picker module which is available on Sitecore Marketplace
• adding Sitemap feature
• integrating Sitecore Developer Toolbox module which is available on Sitecore Marketplace
• adding Bundling and Minification feature
• adding Language Injector feature

Assumption 1: I have a “Contact Us” page and want to add the office locations to a world map exactly inside Sitecore then render them all on that page

• integrate Custom Field – Image Coordinate Picker module and add some tweaks so that I have something like this

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Assumption 2: making sitemap.xml be available and supporting multiple languages such as /en/sitemap.xml, /zh-HK/sitemap.xml, /vi-VN/sitemap.xml

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Assumption 3: integrating Sitecore Developer Toolbox so that I don’t have to install that module on every single environments of every single projects

Assumption 4: 

• if the current URL does not contain a language segment redirect the page to the version that contains the language segment
• the redirection must be a HTTP 302 so search engines does not treat as duplicate content
• redirect to the language depending on current user’s language: the reference
• if a page already contains a language segment then redirection is NOT required
• if HTTP request is NOT GET then redirection is NOT required
• create a new Sitecore processor LanguageInjector and patch it after ItemResolver so we can handle the logic above
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• provide a way to turn it on / off for a specific site
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• make sure it works properly
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Happy Sitecore Coding!

Notes for building your own one based on my simple one