Remove Settings and Setup pages along with their tests and related API services

- Deleted Settings.tsx and Setup.tsx pages, which included functionality for changing passwords and setting up an admin account.
- Removed associated test files for Setup page.
- Eliminated API service definitions related to proxy hosts, remote servers, import functionality, and health checks.
- Cleaned up mock data and test setup files.
- Removed configuration files for TypeScript, Vite, and Tailwind CSS.
- Deleted scripts for testing coverage, release management, Dockerfile validation, and Python compilation checks.
- Removed Sourcery pre-commit wrapper script.

.github/workflows/auto-add-to-project.yml

@@ -1,32 +0,0 @@
-name: Auto-add issues and PRs to Project
-
-on:
-  issues:
-    types: [opened, reopened]
-  pull_request:
-    types: [opened, reopened]
-
-jobs:
-  add-to-project:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Determine project URL presence
-        id: project_check
-        run: |
-          if [ -n "${{ secrets.PROJECT_URL }}" ]; then
-            echo "has_project=true" >> $GITHUB_OUTPUT
-          else
-            echo "has_project=false" >> $GITHUB_OUTPUT
-          fi
-
-      - name: Add issue or PR to project
-        if: steps.project_check.outputs.has_project == 'true'
-        uses: actions/add-to-project@244f685bbc3b7adfa8466e08b698b5577571133e # v1.0.2
-        continue-on-error: true
-        with:
-          project-url: ${{ secrets.PROJECT_URL }}
-          github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
-
-      - name: Skip summary
-        if: steps.project_check.outputs.has_project == 'false'
-        run: echo "PROJECT_URL secret missing; skipping project assignment." >> $GITHUB_STEP_SUMMARY