feat: add ngo create feature and update ngo validation

[suzy-g38]

Related Issue

Closes #409

Description

Add ngo creation feature and update ngo validation

Screenshots

Checklist

• [x] My code adheres to the established style guidelines of the project.
• [x] I have included comments in areas that may be difficult to understand.
• [x] My changes have not introduced any new warnings.
• [x] I have conducted a self-review of my code.

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