1) Merge ext.relatedArticles.readMore and ext.relatedArticles.cards modules
These are always loaded together. No need to have them in separate modules.
In process switch to packagefiles
2) Merge ext.relatedArticles.readMore.bootstrap and ext.relatedArticles.readMore.gateway
Always loaded together.
Bug: T306228
Change-Id: I9442b0336e22ca795cc06f76068215266fe81271
* Move across all files
* Rename ext-card- prefix to ext-related-articles- prefix
** Since all code using these prefixes is JS
we do not have to worry about cached HTML
Bug: T137021
Change-Id: I784fd132c36329fa0dcc49fe2804460061940347