DirectInput: new alpha datasource that lets you enter data via CSV

Initial alpha datasource that saves data directly in a panel or in the shared datasource configs.

scripts/ci-frontend-metrics.sh

@@ -3,8 +3,8 @@
 echo -e "Collecting code stats (typescript errors & more)"
 
 ERROR_COUNT_LIMIT=6816
-DIRECTIVES_LIMIT=173
-CONTROLLERS_LIMIT=137
+DIRECTIVES_LIMIT=175
+CONTROLLERS_LIMIT=138
 
 ERROR_COUNT="$(./node_modules/.bin/tsc --project tsconfig.json --noEmit --noImplicitAny true | grep -oP 'Found \K(\d+)')"
 DIRECTIVES="$(grep -r -o  directive public/app/**/*  | wc -l)"