Updated account-data-matching, bump-seed-canonicalization

[Epistetechnician]

Summary of Changes: Bump Seed Canonicalization

Frontmatter

• Added keywords and tags fields in the new version.
• Removed objectives field in the new version.

Summary Section

• Updated the summary to be more concise and focused on the key points.

Lesson Section

• Expanded explanation of bump seeds and canonical bumps.
• Added detailed examples of insecure and secure PDA derivation.
• Included code examples for both insecure and secure implementations.
• Added explanation of using Anchor's seeds and bump constraints.

Code Examples

• Added code examples for:
  • Insecure PDA derivation using create_program_address.
  • Secure PDA derivation using find_program_address.
  • Using Anchor's seeds and bump constraints.

Test Section

• Added a detailed test example to show how the secure implementation prevents multiple claims.

Challenge Section

• Added a challenge section encouraging users to audit their own or others' programs for proper PDA derivation.

Callout Section

• Added a callout section prompting users to push their code to GitHub and provide feedback.