feat(github, quantic): create manual github workflow for Quantic E2E test setup (#4750)

[SFINT-5842](https://coveord.atlassian.net/browse/SFINT-5842)

## In this PR:

- We added a github workflow that can be triggered manually to
essentially create a scratch org, deploy the project and the Quantic
examples community and the e2e setup. When the workflow runs, it
generates the URL for the community with the setup done. This URL can be
used to test or write test locally.
- This allows QA for example to easily do the setup to write playwright
e2e tests and test components.

You can see the result of a successful run
[here](https://github.com/coveo/ui-kit/actions/runs/12166819370?pr=4750)


### DEMO SUMMARY:
<img width="1214" alt="image"
src="https://github.com/user-attachments/assets/4f69d901-4828-464d-8356-dd53f00b37a8">





[SFINT-5842]:
https://coveord.atlassian.net/browse/SFINT-5842?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

Author: SimonMilord

.github/workflows/setup-quantic-examples-community.yml

@@ -0,0 +1,49 @@
+name: Setup Quantic Examples Community
+
+on:
+  workflow_dispatch:
+
+  workflow_call:
+    secrets:
+      SFDX_AUTH_CLIENT_ID:
+        required: true
+      SFDX_AUTH_JWT_KEY:
+        required: true
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  e2e-quantic-setup:
+    name: 'Setup Quantic Examples Community'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
+        with:
+          egress-policy: audit
+
+      - name: Checkout repository
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+
+      - name: Project setup
+        uses: ./.github/actions/setup
+
+      - name: Setup Salesforce CLI
+        uses: ./.github/actions/setup-sfdx
+
+      - name: Setup Quantic E2E
+        id: setup
+        uses: ./.github/actions/e2e-quantic-setup
+        with:
+          clientid: ${{ secrets.SFDX_AUTH_CLIENT_ID }}
+          jwtkey: ${{ secrets.SFDX_AUTH_JWT_KEY }}
+
+      - name: Read .env file and print Community URL
+        run: |
+          source packages/quantic/.env
+          echo "The Quantic Examples Community URL (LWS enabled) is $Quantic__LWS_enabled_URL"
+          echo "The Quantic Examples Community URL (LWS disabled) is $Quantic__LWS_disabled_URL"
+          echo "### :rocket:Access Quantic Examples Community (LWS enabled) here --> $Quantic__LWS_enabled_URL" >> $GITHUB_STEP_SUMMARY
+          echo "### :rocket:Access Quantic Examples Community (LWS disabled) here --> $Quantic__LWS_disabled_URL" >> $GITHUB_STEP_SUMMARY