[docs] added full_stops

[bhargavshirin]

🔬 Background

• Why is this change needed? Is there a related issue or a new feature to be added?
  for the better documentation.

🔮 Key changes

   added full_stops for sentences.

• Explain the main changes introduced by this pull request for the reviewer.
  added full_stops in the end of sentences in readme.

📋 Review Checklist

• I have performed a self-review of my own code.
• I have commented my code, added docstrings and data types to function definitions.
• I have added pytests to check whether my feature / fix works.

Please make sure to follow our best practices in the Contributing guidelines.

[codecov]

Codecov Report

Merging #1465 (3400fa6) into main (70961d3) will not change coverage.
Report is 2 commits behind head on main.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1465   +/-   ##
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  Coverage   88.32%   88.32%           
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  Files          38       38           
  Lines        5097     5097           
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  Hits         4502     4502           
  Misses        595      595