feat: Added new validators

Author: Kathuria

README.md

@@ -21,5 +21,36 @@ npm install validate-functions
 - **Postal/ZIP Code Validation**: Validate based on country-specific formats. It supports top 25 countries based on ISO 3166-1 alpha-2 codes namely: US, CN, IN, ID, PK, BR, NG, BD, RU, MX, JP, ET, PH, EG, VN, CD, TR, IR, DE, TH, GB, FR, IT, TZ, ZA.
 - **URL Validation**: Validate structure and it supports URLs with and without protocols, and it handles query parameters and fragments.
 
+### Identification and Financial Numbers:
+1. **Credit Card Number**: Validate using the Luhn algorithm.
+2. **Passport Number**: Support formats for multiple countries. (Upcoming)
+3. **TIN/EIN**: Validate Taxpayer Identification Number (TIN) or Employer Identification Number (EIN). (Upcoming)
+
+### Contact Information:
+4. **Postal/ZIP Code**: Validate based on country-specific formats. It supports top 25 countries based on ISO 3166-1 alpha-2 codes namely: US, CN, IN, ID, PK, BR, NG, BD, RU, MX, JP, ET, PH, EG, VN, CD, TR, IR, DE, TH, GB, FR, IT, TZ, ZA.
+
+### Personal Information:
+5. **Date of Birth**: Validate format and ensure the person’s age falls within a reasonable range. (Upcoming)
+6. **Email**: Validate email addresses which conform to standard formats.
+
+### Internet/Network:
+7. **IP Address**: Validate IPv4 and IPv6 formats.
+8. **URL**: Validate structure and it supports URLs with and without protocols, and it handles query parameters and fragments.
+9. **MAC Address**: Validate for networking hardware.(Upcoming)
+
+### Document Validation:
+10. **PAN (Permanent Account Number)**: For Indian tax records.(Upcoming)
+11. **Social Security Number (SSN)**: Validates U.S. Social Security Numbers based on predefined rules.
+12. **Social Insurance Number (SIN)**: For Canada or equivalent in other countries. (Upcoming)
+13. **Aadhaar**: Checks the validity of Indian Aadhaar numbers using specific patterns.
+
+### Formats and Patterns:
+14. **File Extensions**: Validate file names/extensions (e.g., `.jpg`, `.pdf`). (Upcoming)
+
+### Additional Utility:
+15. **Boolean Strings**: Validate "true", "false", "1", "0", etc. (Upcoming)
+16. **Hex Color Codes**: Validate `#RRGGBB` or `#RGB` color formats.
+17. **EAN/UPC**: Validate international product codes. (Upcoming)
+
 
 Usage details are available [here](./USAGE_DETAILS.md).