refactor: Unify line endings

Implements git EOL settings discussed in #80 (closed)

• Added .gitattributes for unified EOL format
• Applied git add --renormalize .
• Fixed conanfile.txt parsing for thirdParty compilation
• Secured by CI check

still missing:

• IDE settings for newline at end of file, trimming of empty lines, trailing whitespace, tabs vs. spaces

doc/source/advanced_topics/simulator/images/DE/AnnounceRightLaneEnd_531-11.svg

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