Implement Workflow Compute Unit Management

[PurelyBlank]

Overview

The purpose of the PR is to implement creating, selecting, and deleting a workflow computing unit for running workflows. The changes include mainly from the

1. WorkflowComputingUnitManagingService for adding metrics and starting a new compute unit with specified resource
2. power-button component whch is responsible for the UI for starting, selecting, and deleting a compute unit
3. root styles.scss for some of the styling of ng zorro UI

Diagram

Demo

Lifecycle of compute unit

Screen.Recording.2025-03-12.at.10.05.24.PM.mov

Instructions

To run on the kubernetes cluster

1. Run all 4 scripts under core/scripts/build-docker-image to create docker images for
   a) webserver.sh
   b) workflow-compiling-service.sh
   c) workflow-computing-unit.sh
   d) workflow-computing-unit-managing-service.sh
2. Update the your docker image name appropriately in the texera-helmchart/values.yaml
3. Run helm install texera-helmchart <texera-helmchart path>

• i.e. helm install texera-helmchart core/scripts/texera-helmchart

4. Open up http://texera.example.com:30080/ on your local browser

• You may need to add "127.0.0.1 texera.example.com" to /etc/hosts to open the application in your browser