[web] add support for profiles/templates in webinterface (#188)

CHANGELOG.md

config/server-profiles/profiles/web-default

internal/server/handlers.go

internal/server/web/partials/capabilities.mustache

internal/server/web/partials/create-mt.mustache

...rnal/server/web/partials/restrictions-gui-editor.mustache

internal/server/web/partials/restrictions.mustache

internal/server/web/partials/rotation.mustache

internal/server/web/static/js/capabilities.js

internal/server/web/static/js/create-mt.js

internal/server/web/static/js/restr-gui.js

internal/server/web/static/js/restrictions.js

internal/server/web/static/js/rotation.js

internal/server/web/static/js/utils.js

internal/utils/cache/cache.go

internal/utils/templating/keys.go