create individual form controller

[GammaMicrowave]

• In form.controller.js erase dashboard function in line 146
• create a brand new controller named getForm
• It will have formId in req.params
• use this id and find the form by equating the id with formId string field.
• fetch formSubmissions which has the same formId using prisma.
• return data fetched as an object containing formData field keeping data of form and a array of formSubmissionData containing formSubmission data.

Note:- Use mongoose.aggregate if you want implement any complex query.