* prometheus: add monaco-based query-field
for now it is behind a feature-flag
* added new trigger character
* better separate grafana-specifc and prom-specific code
* better styling
* more styling
* more styling
* simpler monaco-import
* better imports
* simplified code
* simplified type imports
* refactor: group completion-provider files together
* renamed type
* simplify type-import
Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>
* handle no-metric-name autocompletes
* updated comment
Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>
