Add International Participant Considerations to Grants/Scholarships Section

[dakshmehta007]

Description

This PR adds important considerations for international participants to the Grants & Scholarships section, including visa costs, hotel deposits, and payment methods. These additions help make conferences more accessible to international participants by addressing common financial barriers.

##Screenshots## **Before

**After

Changes

Added to the Payment section in''8_grants_scholarships.md`:

• Visa-related considerations: Include visa fees as eligible costs No extra charges for visa invitation letters Budget for notary authentication of documents
• Hotel accommodation details: Advance notice about deposit requirements
  • Clear information about accepted payment methods Alternative options for those who can't meet standard deposit requirements
• Payment method information:
  • Clear communication about reimbursement methods (wire transfer, PayPal, Wise, etc.)

Location of Change

Modified the Payment subsection in''8_grants_scholarships.md`

Related Issue

Closes #237 Fixes #237

[aterrel]

I see several other PR's material in this pull request. To be considered for acceptance, please branch from the main branch and keep your edits only to the changed content relevant to the PR.

[github-actions[bot]]

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