add ENV variable to disable config generation and parsing

include/Env.h

@@ -25,6 +25,7 @@ namespace Env {
 enum class Key {
     // provider settings
     PROVIDER_UPDATE_MESSAGE,
+    PROVIDER_DISABLE_CONFIG,
 };
 
 std::optional<std::string> Get(Key key);

include/TConfig.h

@@ -48,5 +48,6 @@ private:
     std::string TagsAsPrettyArray() const;
     bool IsDefault();
     bool mFailed { false };
+    bool mDisableConfig { false };
     std::string mConfigFileName;
 };