Changed "accross" to "across" in README.rst

[pi-rate14]

Signed-off-by: apoorva apoorva.srivastava2019@vitstudent.ac.in

Description

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactoring (Redesign of existing code that doesn't affect functionality)
• Other (e.g. Documentation, Tests, Configuration)

What happened in this PR

Additional information

• Affected modules and functionalities:
  changed "accross" to "across" in README.rst

Checklist

Tests

• Existing tests apply
• New tests added
  • Python tests
  • GTests
  • Benchmark
  • Other
• N/A

Documentation

• Existing documentation applies
• Documentation updated
  • Docstring
  • Doxygen
  • RST
  • Jupyter
  • Other
• N/A

DALI team only

Requirements

• Implements new requirements
• Affects existing requirements
• N/A

REQ IDs: N/A

JIRA TASK: N/A

[JanuszL]

@pi-rate14 - thank you for your contribution.