enhancement: Respect XDG specifications #1103

Describe the bug
re3 makes a dot directory (.re3) in $HOME, which clutters home direcotry, is non-standard and a bad practice
How To Reproduce
probably just run re3
Expected behavior
respect XDG specifications; use XDG_DATA_HOME and XDG_CONFIG_HOME instead
Screenshots

Version
linux 64bit opengl aol adf68863

**Describe the bug** re3 makes a dot directory (.re3) in $HOME, which clutters home direcotry, is non-standard and a bad practice **How To Reproduce** probably just run re3 **Expected behavior** respect XDG specifications; use XDG_DATA_HOME and XDG_CONFIG_HOME instead **Screenshots** - **Version** linux 64bit opengl aol adf68863

Proposed solution: Use XDG variables if available, fallback to $HOME if not defined in environment.

Useful Links:

Spec: https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html

Proposed solution: Use XDG variables if available, fallback to `$HOME` if not defined in environment. Useful Links: - Spec: https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html

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enhancement: Respect XDG specifications #1103

Describe the bug re3 makes a dot directory (.re3) in $HOME, which clutters home direcotry, is non-standard and a bad practice How To Reproduce probably just run re3 Expected behavior respect XDG specifications; use XDG_DATA_HOME and XDG_CONFIG_HOME instead Screenshots

Describe the bug
re3 makes a dot directory (.re3) in $HOME, which clutters home direcotry, is non-standard and a bad practice
How To Reproduce
probably just run re3
Expected behavior
respect XDG specifications; use XDG_DATA_HOME and XDG_CONFIG_HOME instead
Screenshots