added phone number regex

[DOOMSDAY101]

I added some regex for phone numbers for some countries that are not listed on the src/lib/isMobile.js Examples: Canada, India and I also corrected some of the regex validation for some countries that were not correct. Issue #1761

Checklist

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

[rubiin]

@DOOMSDAY101 could you provide references . also write a description on the change

[DOOMSDAY101]

@DOOMSDAY101 could you provide references . also write a description on the change

Done ✅

Thanks 🙏

[rubiin]

@DOOMSDAY101 can you add tests and update readme too