improve typescript and linting usage across codebase

add ts-lit-plugin and eslint-typescript

disable no-invalid-css rule

fix a bunch of errors raised by eslint and typescript

run prettier & eslint on the remaining files

remove unused imports

split coll-index into index and info components...
and rename "coll" -> "item" for these.
also includes some fixes for previously-undocumented properties used on
non-ts elements.

extract labeled fields into separate component...
and make a few type improvements too

swap custom copy button for shoelace one

rename a few more missed things

.prettierignore

@@ -1,4 +1,9 @@
 # Ignore everything except src
-*
-!/src/
-!src/*
+_includes
+.github
+.husky
+assets
+build
+docs
+examples
+ruffle