feat: Templates (#1399)

* Migrations
* New from template
* fix: Don't allow public share of template
* chore: Template badges
* fix: Collection active
* feat: New doc button on template list item
* feat: New template menu
* fix: Sorting
* feat: Templates onboarding notice
* fix: New doc button showing on archived/deleted templates

shared/styles/theme.js

@@ -112,7 +112,7 @@ export const light = {
   text: colors.almostBlack,
   textSecondary: colors.slateDark,
   textTertiary: colors.slate,
-  placeholder: "#B1BECC",
+  placeholder: "#a2b2c3",
 
   sidebarBackground: colors.warmGrey,
   sidebarItemBackground: colors.black10,