* Extend element widget with support for CSS custom properties.
* chore: added tests
* chore: code style
* docs: added documentation for support for CSS custom properties
* docs: added documentation for support for CSS custom properties
* Initial Commit
* Fix default tiddlers for prerelease
* Use parsermode: inline for tiddlers that don't semantically have paragraphs
* Tweak card styles
Cards can now grow slightly to fill the available space
* Rename "Community Links" to "TiddlyWiki on the Web", and excise the items to individual tiddlers
* Revert changes to core styles
* Introductory text for each welcome tiddler
* Colours for welcome tiddlers
* Simplify introduction of GettingStarted
* Update TiddlyFox information
* Move all the card related definitions into their own folder
Perhaps preparatory to making them into a plugin, or putting them into the core
* Add a hover effect for card icons
* Retract changes to GettingStarted and system fonts
We'll come back to that
* Revert properly
* Update commands in "Generating Static Sites with TiddlyWiki" to use render command & add deprecated tag to some command
* Remove timestamp in deprecated commands
* add trimSelection - both, start, end, no
* add documentation for trimSelection to tm-edit-text-operation tiddler
* add trimSelection both to all buttions where it makes sense
* change "both" to "yes" as a default
* fix trimSelection typo
* fix trimSelection typo
* docs trimSelection add "no" as possible value - it's the default
* remove some redundant variable declarations
* update from-version
* fix comment typos
* fix whitespace
* make local variables more visible
* add alt-text field to image meta data files
* add aria-label to some HelloThere links
* improve flex-card procedure to render alt-text for images and aria-hide the new-badge because it causes problems
* revert HelloThere modified date
