[INIT-001] Initial project setup with Clean Architecture (feat)

- Implemented Clean Architecture with Domain, Application, Infrastructure, Presentation layers
- Added comprehensive project structure following SOLID principles
- Created Kubernetes deployment with Helm charts (HPA, PDB, NetworkPolicy)
- Configured ArgoCD for automated deployment (production + staging)
- Implemented CI/CD pipeline with GitHub Actions
- Added comprehensive documentation (handbook, architecture, coding standards)
- Configured PostgreSQL, Redis, Celery for backend services
- Created modern landing page with Persian fonts (Vazirmatn)
- Added Docker multi-stage build for production
- Configured development tools (pytest, black, flake8, mypy, isort)
- Added pre-commit hooks for code quality
- Implemented Makefile for common operations

.github/workflows/ci.yml

@@ -0,0 +1,121 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main, develop ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    strategy:
+      matrix:
+        python-version: ['3.11', '3.12']
+    
+    services:
+      postgres:
+        image: postgres:14
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: peikarband_test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+      
+      redis:
+        image: redis:7
+        ports:
+          - 6379:6379
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    
+    - name: Cache pip packages
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements*.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+    
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install -r requirements-dev.txt
+    
+    - name: Lint with flake8
+      run: |
+        flake8 src/ --count --select=E9,F63,F7,F82 --show-source --statistics
+        flake8 src/ --count --max-complexity=10 --max-line-length=120 --statistics
+    
+    - name: Type check with mypy
+      run: |
+        mypy src/
+    
+    - name: Check formatting with black
+      run: |
+        black --check src/
+    
+    - name: Check imports with isort
+      run: |
+        isort --check-only src/
+    
+    - name: Run tests with pytest
+      env:
+        DATABASE_URL: postgresql://postgres:postgres@localhost:5432/peikarband_test
+        REDIS_URL: redis://localhost:6379/0
+        SECRET_KEY: test-secret-key
+        JWT_SECRET_KEY: test-jwt-secret
+        CELERY_BROKER_URL: redis://localhost:6379/1
+        CELERY_RESULT_BACKEND: redis://localhost:6379/2
+      run: |
+        pytest tests/ -v --cov=src --cov-report=xml --cov-report=term-missing
+    
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v3
+      with:
+        file: ./coverage.xml
+        fail_ci_if_error: false
+
+  security:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+    
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install bandit safety
+    
+    - name: Run Bandit security scan
+      run: |
+        bandit -r src/ -f json -o bandit-report.json || true
+    
+    - name: Run Safety check
+      run: |
+        safety check --json || true
+