* adds icons for welcome page
* updates markup and styles for welcome page
* updates color registry with welcome page colors
* updates styles for welcome page
* updates markup for welcome page
* updates theming styles for welcome page and adds date since last opened functionality on history items
* adds all icons and images for welcome page
* updates markup for welcome page
* updates styles for welcome page
* updates color registry with welcome page styles
* updates welcome page icons with microsoft flag and dark theme home banner
* updates welcome page markup
* updates dynamically generated extension list
* updates styles for welcome page
* updates markup for welcome page
* adds dynamic lists for extension pack individual extensions
* updates icons for welcome page
* updates styles for welcome page
* updates welcome page styles
* updates theme colors
* updates markup for welcome page
* updates color registry with welcomepage colors
* updates sql.de.xlf with copy for welcome page
* reverts generated file
* updates welcome page styles
* updates extension pack copy casing
* updates color registry with welcome page styles
* updates welcome page markup
* adds welcome page icons
* updates welcome page markup
* updates welcome page icons
* updates welcome page styles
* reverts color registry in vs folder to original state
* moves color registry to sql folder
* removes dead code, localizes dates
* updates welcome page styles
* moves all colors from css to color registry
* updates styles by removing all colors
* removes stat import because of laying issue, adds color registry colors to welcomePage
* updates welcome page font sizes to ems
* updates localized strings
* removes unnecessary comment
* removes double quotes around string key for single quotes
* updates welcome page styles
* updates color registry
* updates welcome page markup
* adds dropdown button functionality
* adds centering classes for installed button text
* updates welcome page styles
* updates markup and styles for welcome page
* removes icon attempt from color registry
* removes theme specific icon svgs for theme specific icon css
* removes unused import
* removes console.log
* adds back mac new file button
* removes unused rules
* updates markup
* updates markup
* updates extension links to link to extensions in ADS
* pulls in changes from welcome-page-reskin-anthonydresser
* adds back code-icon to vs folder
* reverts welcomePage.css
* removes duplicate color registry variables
* fixes icon overlap on text for mac
* removes null import
* updates welcome page styles for mac
* updates welcome page images to use sql folder
* updates welcome page markup
* updates welcome page styles
* updates styles
* updates files paths
* delete images from sql folder
* updates icons
* updates welcome page styles
* updates preview popup
* updates markup for accessibility
* adds hover state to tiles
* updates dropdown
* fixes line-height issue
* updates class names
* updates keyboard accessibility for tooltip
* format document
* updates accessibility for preview tooltip
* removes whitespace
* updates preview modal accessibility
* adds aria labels to popup and tooltip
* removes max-width for zoom
* removes escaped strings, adds keycodes to promises, marks function as async and has the return as the signature of the function
* moves keycoes to class, removes comment
* fixes promise
* testing promise
* testing promise
* promise test
* localizes copy
* uses keycode import
* removes unnecessary arguments
* formating
* refactor constructor into async function called by constructor
* attempts to fix floating promise
* removes floating promise
* moves icons and images to sql folder, removes unused icons
* uses icons already existing in ads
* updates styles
* updates color registry
* updates keycode events
* fixes issues per charles comments
* moves icons to media folder
* updates image file paths
* updates file path
* adds href to extension pack extensions
* fixes links
* fixes issues per alan's comments
* uses exisiting colors from color registry
* updates welcome page to use existing colors from color registry
* updates dark theme
* updates color registry
* updates dark theme
* formats css
* fixes dropdown arrow icon on mac
Co-authored-by: Anthony Dresser <andresse@microsoft.com>