Refactoring of IconBrandColor - nps.today certified connector (#913)

* refactored IconBrandColor
added .venv to .gitignore

* removed .venv

* removed .gitignore due to being outdated

* reverted .gitignore file

Co-authored-by: Hazem Saeid <hs@npstoday.com>

certified-connectors/nps.today/apiProperties.json

@@ -15,7 +15,7 @@
         }
       }
     },
-    "iconBrandColor": "#16191c",
+    "iconBrandColor": "#000300",
     "capabilities": [
       "actions",
       "triggers"