Writing user scripts requires knowledge of JavaScript. The tutorials on the GreaseSpot Wiki should give you a running start on JavaScript both in general and as it relates to user scripts. Inspecting others' scripts can be helpful. You may be interested in Greasy Fork镜像 यावर पोस्ट केलेल्या स्क्रिप्टचे नियम and Script meta keys read by Greasy Fork镜像. If you want help developing your script, feel free to फोरममध्ये विचारा.
To post on Greasy Fork镜像, you will need to create an account. From your प्रयोक्ता पान, follow the link to नवीन स्क्रिप्ट पोस्ट करा.