* fix: update to latest sapper
fixes#416
* fix error and debug pages
* requestIdleCallback makes column switching feel way nicer than double rAF
* add export feature
* add better csp info
* workaround for sapper sub-page issue
* clarify in readme about exporting
* fix now config
* switch from rIC to triple raf
* style-loader is no longer used
* update theming guide
* Revert "fix(icons): fix icons.svg url (#769)"
This reverts commit 1d34d45da7c9eaf5852f252101462dbd23adefb3.
* Revert "perf: use prefetch instead of preload for svgs (#765)"
This reverts commit b73dd548ae7160c648a1b7f9951accb5f62d56c2.
* Revert "perf: build separate icons.svg file (#762)"
This reverts commit ee45c07314ef5aac5412621ffe59ffc144fe1afa.
* move svg to end of 2xx.html
* fix: build inline script using Rollup
This reduces code duplication and allows the theme engine to work the
same without modifying the code in two places. It does extra extra deps,
but I tried to keep them to a minimum.
* change code comment
* remove unnecessary constant
