Implement limits

[QuiiBz]

Organizations:

• 3-64 chars for organization name
• 256 chars for organization description
• 20 functions/organization

Functions:

• 3-64 chars for Function name
• X active deployments/function
• 10 custom domains/function
• 100 environment variables/function
• 10MB function size
• 10MB asset size
• 100 assets/function
• 128MB function memory limit
• 50ms function CPU timeout
• 200ms function CPU startup timeout

Environment variables:

• 64 chars environment variable key length
• 5KB environment variables value size