[Feat] Typescript TRK reader for visualising Tractography Data

[shrutivarade]

Feature Description
This pull request introduces a new data source to Neuroglancer, enabling direct access and visualization of .trk files without the need for conversion to a precomputed file format. This enhancement simplifies the workflow and improves efficiency for users working with tractography data.

Changes Introduced

• Added functionality to read the array buffer for .trk data and integrated it with Neuroglancer's existing skeleton handling.
• Modified the frontend to write the array buffer in the skeleton structure.
• Implemented backend and frontend data handling to support seamless data flow and visualization.
• Established a format and structure that maintains compatibility with the base code, ensuring smooth integration and functionality.

Execution Details
To run the project, use the command:
npm run dev-server

Dependencies
Added new libraries:

• mathjs: For performing advanced mathematical operations in TypeScript.
• axios: To fetch data from URLs and handle HTTP requests efficiently.