Add Tokyo Stock Exchange (TSE) stock symbols

[yuokada]

Overview

This pull request adds support for generating Tokyo Stock Exchange (TSE) stock symbols in the Stock provider. The main changes include adding a new method to fetch TSE symbols, updating the resource file with TSE symbol data, and ensuring the new method is covered by tests.

Support for Tokyo Stock Exchange (TSE) symbols:

• Added a new method tseSymbol() to the Stock provider to return TSE stock symbols.
• Updated the English resource file stock.yml with a list of TSE stock symbols under the symbol_tse key.
• Symbols are gotten from the following page.
  https://indexes.nikkei.co.jp/en/nkave/index/component?idx=nk225

[what-the-diff]

PR Summary

• New Method for Handling TSE Stock Symbols
  A fresh method named tseSymbol() has been introduced in the Stock.java file. This method will help in managing and resolving stock symbols for the Tokyo Stock Exchange (TSE).

• Addition of New Stock Codes
  The stock.yml file has been updated. As part of this update, a new entry (symbol_tse) has been created which includes multiple stock codes, increasing the breadth of financial data available in our systems.

• Enhanced Testing
  To ensure quality and performance, the StockTest.java file has been modified to include a new test case, specifically for the tseSymbol() method that was just introduced. This not only validates the new feature but also helps maintain a robust system by detecting any potential issues early.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.55%. Comparing base (2729350) to head (f3db849).
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Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1889      +/-   ##
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- Coverage     92.58%   92.55%   -0.03%     
  Complexity     3572     3572              
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  Files           347      347              
  Lines          7051     7052       +1     
  Branches        675      675              
============================================
- Hits           6528     6527       -1     
- Misses          364      365       +1     
- Partials        159      160       +1     

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[bodiam]

Thanks!!