Function parse

pub fn parse(
    target: Target,
    path: impl Into<PathBuf>,
) -> Result<(Config, PathBuf), ConfigError>

Parse the config from path, including alternative formats.

Hierarchy:

1. Check if tauri.conf.json exists a. Parse it with serde_json b. Parse it with json5 if serde_json fails c. Return original serde_json error if all above steps failed
2. Check if tauri.conf.json5 exists a. Parse it with json5 b. Return error if all above steps failed
3. Check if Tauri.json exists a. Parse it with toml b. Return error if all above steps failed
4. Return error if all above steps failed