Vue.js find components

Adds global helper function for finding Vue components window.vueFind ~= querySelector for VDOM window.vueFindAll ~= querySelectorAll for VDOM window.vueFind('Card CardDialog[model=isCardDialogVisible]').model - Simple selectors: `window.vueFind('missing')` prints a warning with a tree of supported simple selectors - Attribute selectors: only `[attr=fullvalue]` and `[attr="full value"]` operators are supported - Combinators: simple selectors can only be combined with a descendant combinator (a space)