Fix get user events api

[ken1000minus7]

kuch bhi chal rha

[harshjohar]

Endpoint : /v1/user/events Query param : ?type=

• type==organiser
• type==participant
• type==publicity

Give event based on type, if provided, otherwise return all events

API response should be paginated, if no page provided, return first 20 record, otherwise as specified

[harasees-singh]

{
"events": [
        {
            "id": eventId,
            "name": eventName,
            "role": eventRole,
            "xp_gained": eventXp,
            "timestamp": eventEnd
        }
    ]
}