Fix line endings for TypeDB batch launcher

[jamesreprise]

What is the goal of this PR?

When launching the server, a bug caused additional output that claimed a batch label that did exist, didn't. We've corrected the line endings from LF to CRLF on TypeDB's batch launcher.

What are the changes implemented in this PR?

As above.

• Changed the line endings on typedb.bat.
• Added a gitattributes file to specify the above requirement for bat files for the future. Currently, the contents of this file informs git that any EOL in a batch file should be CRLF.
• Added checkstyle for the above new file.
• Added an end of line and fixed a space.

Notes

The line endings change seems to be invisible to git and GitHub's changes viewer. To verify this change, checkout and run cat -ev binary/typedb.bat to see the new line endings.

[typedb-bot]

PR Review Checklist

Do not edit the content of this comment. The PR reviewer should simply update this comment by ticking each review item below, as they get completed.

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Trivial Change

• [x] This change is trivial and does not require a code or architecture review.

Code

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• [ ] The code is canonical and the minimum required to achieve the goal.
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Architecture

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• [ ] The architecture is extensible and scalable.