* feat: Add option to specify default value to env var expansion

* fix: remove unused capturing group for env var replacement
Co-authored-by: Nicolas Giard <github@ngpixel.com>

* fix: Use logger for logs using console logging

* feat: Add option to configure JSON logging

* fix: use generic logFormat instead of json specific

* fix: use logFormat for docker config

* fix: use logFormat to build winston formatters
Co-authored-by: Nicolas Giard <github@ngpixel.com>

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* feat: Add link to admin area on welcome page

See: #1259

* fix: remove trailing slash from welcome admin button

* fix: welcome page admin button link
Co-authored-by: Nicolas Giard <github@ngpixel.com>

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* permit bodyParserLimitSize configuration

set bodyParserLimitSize by default to 1mb
permit modifications by environment variable

* fix: use bodyparserlimit config with fallback default
Co-authored-by: Nicolas Giard <github@ngpixel.com>

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