add : NaivePatternSearch.java

[Karthikn-VR]

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.04%. Comparing base (e78d53d) to head (8685c86).

Files with missing lines	Patch %	Lines
.../com/thealgorithms/strings/NaivePatternSearch.java	0.00%	14 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6507      +/-   ##
============================================
- Coverage     75.09%   75.04%   -0.05%     
- Complexity     5569     5571       +2     
============================================
  Files           686      687       +1     
  Lines         19307    19321      +14     
  Branches       3732     3736       +4     
============================================
+ Hits          14498    14500       +2     
- Misses         4245     4259      +14     
+ Partials        564      562       -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.