metric-gardener release 1.0.0

Added

• File metric calculation: classes, functions, complexity, comments, lines_of_code, real_lines_of_code, max_nesting_level
• Well tested supporting languages: Go, PHP, TypeScript, TSX, Java, C#, C++, Python, JavaScript, Kotlin, JSON and YAML
• Not well tested languages: C, Ruby, Rust, Bash, Flow-annotated JavaScript