Add GitHub Actions workflows for building and deploying application

GITHUB_ACTIONS_README.md

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+# GitHub Actions Configuration
+
+This repository contains two separate GitHub Actions workflows for building and deploying your application:
+
+## Workflows
+
+### 1. Build Workflow (`build.yml`)
+- **Trigger**: Manual dispatch only
+- **Purpose**: Builds Docker image and pushes to private container registry
+
+### 2. Deploy Workflow (`deploy.yml`) 
+- **Trigger**: Manual dispatch only
+- **Purpose**: Deploys application to Kubernetes cluster with Traefik ingress
+
+## Required GitHub Secrets
+
+You need to configure the following secrets in your GitHub repository settings:
+
+### Container Registry Secrets
+- `CONTAINER_REGISTRY` - Your private container registry URL (e.g., `myregistry.azurecr.io`)
+- `REGISTRY_USERNAME` - Username for container registry authentication
+- `REGISTRY_PASSWORD` - Password/token for container registry authentication
+- `IMAGE_NAME` - Name of your container image (e.g., `www-cialloo-com`)
+
+### Kubernetes Secrets
+- `KUBECONFIG_BASE64` - Base64 encoded kubeconfig file for your remote K8s cluster
+- `K8S_NAMESPACE` - Kubernetes namespace to deploy to (e.g., `default` or `production`)
+
+### Application Secrets
+- `APP_NAME` - Name of your application in Kubernetes (e.g., `www-cialloo-com`)
+- `HOST` - Your domain host (e.g., `www.cialloo.com`)
+
+## How to Use
+
+### Building an Image
+1. Go to Actions tab in your GitHub repository
+2. Select "Build Container Image" workflow
+3. Click "Run workflow"
+4. Optionally specify a custom tag (defaults to 'latest')
+
+### Deploying to Kubernetes
+1. Go to Actions tab in your GitHub repository  
+2. Select "Deploy to Kubernetes" workflow
+3. Click "Run workflow"
+4. Specify the image tag to deploy (e.g., 'latest', 'v1.0.0')
+5. Optionally specify environment (defaults to 'production')
+
+## Setup Instructions
+
+### 1. Configure Secrets
+Add all the required secrets listed above in your GitHub repository:
+- Go to Settings → Secrets and variables → Actions
+- Click "New repository secret" for each secret
+
+### 2. Get Base64 Kubeconfig
+To get your `KUBECONFIG_BASE64` secret:
+```bash
+# On your local machine with kubectl configured for your cluster
+cat ~/.kube/config | base64 -w 0
+```
+Copy the output and use it as the `KUBECONFIG_BASE64` secret value.
+
+### 3. Container Registry Setup
+Make sure your private container registry is set up and you have credentials that can push images.
+
+## Architecture
+
+The deployment creates:
+- **Deployment**: 2 replicas of your application
+- **Service**: ClusterIP service exposing port 80 → 5173
+- **IngressRoute**: Traefik ingress without TLS
+
+The application runs `npm run dev` and serves on port 5173 inside the container.