Add Organization Profiles for Grant Providers

[Abd-Standard]

Description:
Create dedicated profiles for organizations that publish or manage grants.

Acceptance Criteria:

Organization information can be stored.
Grants can be linked to an organization.
Organization pages display associated grants.

[coderolisa]

Hello maintainer let me work on this
please assign

[grantfox-oss]

🦊 GrantFox — @coderolisa has been assigned to this issue as part of the Third Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #156)
2. Your PR will be reviewed by the Core-Foundry maintainers

Good luck! Track your progress on GrantFox.

[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Third Campaign campaign!

@coderolisa's PR #175 was approved and merged by @Abd-Standard.

🏆 @coderolisa: You earned 40 FoxPoints for this contribution! Your current tier: Builder (1,718 total points). Track your full progress on GrantFox.

👏 Great work, @coderolisa! Keep contributing to Core-Foundry.