[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

assets/custom.css

@@ -0,0 +1,31 @@
+@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@100..900&display=swap');
+
+body {
+    font-family: 'Vazirmatn', sans-serif;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+}
+
+@keyframes gradientShift {
+    0% { background-position: 0% 50%; }
+    50% { background-position: 100% 50%; }
+    100% { background-position: 0% 50%; }
+}
+
+@keyframes glow {
+    0% { box-shadow: 0 12px 40px rgba(30, 64, 175, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2); }
+    50% { box-shadow: 0 18px 50px rgba(30, 64, 175, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
+    100% { box-shadow: 0 12px 40px rgba(30, 64, 175, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2); }
+}
+
+@keyframes pulse {
+    0% { transform: scale(1); opacity: 1; }
+    50% { transform: scale(1.05); opacity: 0.8; }
+    100% { transform: scale(1); opacity: 1; }
+}
+
+@keyframes float {
+    0%, 100% { transform: translateY(0px); }
+    50% { transform: translateY(-20px); }
+}
+