v0.9.4

• Added automatic engine detection
• Improved backend app
• Log execution time of an action and add new statistics
• Added openapi generation and import support
• Handle schema for query parameters
• Improved route serialization #44
• Handle multiple responses for different status codes
• Split up deploy file into separate files
• Removed routes action and schema relation handling
• Removed old upgrade paths
• Execute migration on an empty database schema