Revise README with project details and setup instructions

Updated project description and added local running instructions.

Author: kingdomax

README.md

@@ -1,8 +1,8 @@
-# TaskSync (in progress...)
+# TaskSync
 
 ![image](https://github.com/user-attachments/assets/b76e2876-caf7-4a0c-be71-ce80fa988038)
 
-A collaborative task management platform designed to simplify project organization and enhance team productivity. It enables real-time collaboration and task management through intuitive task boards inspired by Jira, providing a responsive, modern user experience.
+A collaborative real-time task management platform inspired by Jira-style Kanban boards.
 
 ## Key Features
 
@@ -22,3 +22,79 @@ A collaborative task management platform designed to simplify project organizati
 - **Database:** PostgreSQL
 - **CI/CD:** Docker, Azure, GitHub Actions
 - **Testing:** Jest, xUnit, Playwright
+
+## Running Locally
+
+### 0️⃣ Prerequisites
+- Node.js ≥ 22.14
+- .NET SDK ≥ 8.0
+- Docker
+
+### 1️⃣ Start Infrastructure (PostgreSQL, RabbitMQ, OpenTelemetry Collector, Prometheus, Grafana, Tempo)
+```bash
+docker compose --profile=localdev up
+```
+Grafana: `http://localhost:3400`
+PostgreSQL: `http://localhost:5432`
+RabbitMQ Management: `http://localhost:15672`
+
+### 2️⃣ Start Frontend
+```bash
+cd frontend
+npm install
+npm run dev
+```
+Frontend: `http://localhost:3039`
+
+
+### 3️⃣ Start Core API
+```bash
+cd backend
+dotnet restore
+dotnet run
+```
+Swagger: `http://localhost:5070/swagger`
+
+### 4️⃣ Start Gamification API
+```bash
+cd gamification-api
+npm install
+npm run start:dev
+```
+Gamification API: `http://localhost:3000`
+
+## Running Tests
+
+### Frontend (Jest)
+```bash
+cd frontend
+npm run test
+npm run test -- src/sections/kanbanboard/kanban-item.test.tsx
+```
+
+### Core API (xUnit)
+```bash
+cd backendtest
+dotnet test
+dotnet test --filter FullyQualifiedName~TaskServiceTest
+```
+
+### Gamification API (Jest)
+```bash
+cd gamification-api
+npm run test
+npm run test -- src/points/points.service.spec.ts
+```
+
+## Development Workflow
+- Create feature branch
+- Develop locally
+- Run tests
+- Push branch
+- Open Pull Request
+- CI + Presubmit review
+- Merge to main
+- Automatic Docker build + VM deployment
+
+## CI/CD Pipeline
+TaskSync uses **GitHub Actions** for automated CI/CD. Workflow triggers on `main` branch