implemented styling on nodes

[LucieSeidler]

Description

Implements Node and Edge Type to add appropriate styling to LinktaFlow components

Fixes # (issue)

352

Type of change

• [ ] 🐛 Bug fix (non-breaking change which fixes an issue)
• [x] ✨ New feature (non-breaking change which adds functionality)
• [ ] 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] 📝 Documentation update
• [ ] Other 🗒️ __

How Can this be tested? Testing Plan to review this PR

• [x] Where in the app does this change take place?
• [x] What are the steps to test this change?
• [x] What is the expected output?

Change is in adding type to each flow component (node and edge). In order to test this change, create a new flow and ensure styling is visible. Make changes within LinktaNode.tsx in order to ensure styling is updated within the displayed LinktaFlow. Styling should match changes made

Checklist:

• [x] I have performed a self-review of my own code.
• [x] I have commented on my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [ ] Any dependent changes have been merged and published in downstream modules.
• [x] I have reviewed the Security Best Practices Document.
• [x] I have followed the Naming Conventions Guide for my changes.
• [x] I have ensured that my pull request title is descriptive.

Additional Information:

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[relandboyle]

Closing due to inactivity.