- Added parsing Turboshaft JSON output
- Refactored node.ts, edge.ts, node-label.ts, turbo-visualizer.ts, tabs.ts

P.S.: graph-phase.ts will be moved to graph-phase folder in the next CL

Bug: v8:7327
Change-Id: Ida854307392a2d513c36f86869ea00cadcf3667c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3706603
Commit-Queue: Danylo Boiko <danielboyko02@gmail.com>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81264}