Resolve "add support for matomo"

Closes #289 (closed)

src/redux/configuration/configuration.constants.ts

@@ -5,6 +5,7 @@ export const NEUTRAL_COLOR_VAL_NAME_ID = 'NEUTRAL_COLOR_VAL';
 export const OVERLAY_OPACITY_NAME_ID = 'OVERLAY_OPACITY';
 export const SEARCH_DISTANCE_NAME_ID = 'SEARCH_DISTANCE';
 export const REQUEST_ACCOUNT_EMAIL = 'REQUEST_ACCOUNT_EMAIL';
+export const MATOMO_URL = 'MATOMO_URL';
 
 export const LEGEND_FILE_NAMES_IDS = [
   'LEGEND_FILE_1',