[FEATURE] Refactor the code to simplify the effort add synonym function.

[penghuo]

Is your feature request related to a problem?
Currently, add synonym function need change multiple files. E.g.

• Add Week_Of_Year Function To OpenSearch #1127
• Add Day_Of_Year Function To OpenSearch #1128
• Add Month_Of_Year Function To OpenSearch #1129

What solution would you like?
Refactor the code to simplify the effort add synonym function.