Initial Phoenix Sankofa Cloud setup

- Complete project structure with Next.js frontend
- GraphQL API backend with Apollo Server
- Portal application with NextAuth
- Crossplane Proxmox provider
- GitOps configurations
- CI/CD pipelines
- Testing infrastructure (Vitest, Jest, Go tests)
- Error handling and monitoring
- Security hardening
- UI component library
- Documentation

.github/workflows/crossplane-ci.yml

@@ -0,0 +1,63 @@
+name: Crossplane Provider CI
+
+on:
+  push:
+    branches: [main, develop]
+    paths:
+      - 'crossplane-provider-proxmox/**'
+      - '.github/workflows/crossplane-ci.yml'
+  pull_request:
+    branches: [main, develop]
+    paths:
+      - 'crossplane-provider-proxmox/**'
+
+jobs:
+  test:
+    name: Go Test
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./crossplane-provider-proxmox
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+      - run: go mod download
+      - run: go test -v -race -coverprofile=coverage.out ./...
+      - uses: codecov/codecov-action@v3
+        with:
+          files: ./crossplane-provider-proxmox/coverage.out
+          flags: crossplane
+          name: codecov-crossplane
+
+  lint:
+    name: Go Lint
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./crossplane-provider-proxmox
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+      - uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest
+          working-directory: ./crossplane-provider-proxmox
+
+  build:
+    name: Go Build
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./crossplane-provider-proxmox
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+      - run: go mod download
+      - run: make build
+