added kannada and telugu indian languages for string validation

[manojmula]

Checklist

• [ #] PR contains only changes related; no stray files, etc.
• [# ] README updated (where applicable)
• [ #] Tests written (where applicable)

[codecov[bot]]

Codecov Report

Merging #1929 (a9d4e32) into master (f055c11) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master     #1929   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          102       102           
  Lines         2072      2072           
  Branches       472       472           
=========================================
  Hits          2072      2072           

Impacted Files	Coverage Δ
src/lib/alpha.js	100.00% <ø> (ø)

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[manojmula]

Hi Team,

I have added those language validation , so it will be helpful. I am using the same validator in my personal project. Please let me know if i need to make any changes.

[manojmula]

Sorry was busy at work and could not contribute with test. forgive me for this. I will take a fresh fork and start again.