[FEATURE] New config setting ´system.languageFileCsvSeparator´

[awestbunk]

The option allows to define the separator character used in the translation files and updates all german files to use ´;´ instead of ´,´. Default to ´,´ for backwards compatibility.

PR Checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:

What is the current behavior?

Several languages e.g. german use , as regular set character. Since the translation files use , as column separator the german language breaks the translation behaviour in some cases.

Issue Number: N/A

What is the new behavior?

The new setting allows to define any other character to be used as separator in language files, e.g. ; which lead to working translations when the label contains a ,.

Does this PR introduce a breaking change?

• Yes
• No

Other information

This commit also updates the separator character to ;. If you use german language update your config/default.json

{
    "shop" : {
        ...
        "language": "de"
    },
    "system": {
        ...
        "languageFileCsvSeparator": ";"
    }
}