docs: add README with setup guide and project details

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This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app). # André Kempf — Developer Portfolio
## Getting Started A fast, privacy-focused, and accessible developer portfolio built with **Next.js 16 (App Router)**, **Tailwind CSS**, and **React 19**, backed by a custom **lightweight PHP analytics engine**.
First, run the development server: ![Next.js](https://img.shields.io/badge/Next.js-16-black?style=flat-square&logo=next.js)
![React](https://img.shields.io/badge/React-19-blue?style=flat-square&logo=react)
![Tailwind CSS](https://img.shields.io/badge/Tailwind-v4-38bdf8?style=flat-square&logo=tailwind-css)
![TypeScript](https://img.shields.io/badge/TypeScript-5-blue?style=flat-square&logo=typescript)
```bash ---
npm run dev
# or ## 🚀 Key Features
yarn dev
# or - **Command Palette (`Cmd + K`):** Interactive utility menu with keyboard shortcuts, quick social navigation, resume downloads, and contextual actions.
pnpm dev - **Privacy-First Analytics Engine:** Custom PHP backend providing real-time page metric tracking using session-based rate limiting and GDPR-compliant IP hashing (no cookie consent required).
# or - **Terminal Inspector:** Integrated terminal widget and modal to view live system metrics, device usage ratios, and ping response latency.
bun dev - **Performance & Accessibility:** Zero layout shifts (CLS), optimized font loading, dynamic SSR/client component boundaries, and high contrast Dark/Slate aesthetic.
---
## 🛠️ Tech Stack & Architecture
### Frontend
- **Framework:** [Next.js 16](https://nextjs.org/) (App Router)
- **UI & Styling:** [React 19](https://react.dev/), [Tailwind CSS](https://tailwindcss.com/)
- **Icons & Components:** Lucide Icons, Custom UI Components
- **State & Events:** Native CustomEvents, React State
### Backend & Analytics
- **Language:** PHP 8.x
- **Data Privacy:** One-way IP Hashing (`MD5` + daily salt), Session Rate Limiting
- **Protocol:** JSON REST API (`analytics.php`)
---
## 🛠️ Getting Started
### Prerequisites
- **Node.js:** v18.18.0 or higher (v20+ / v26+ recommended)
- **Package Manager:** npm / pnpm / yarn
### Local Setup
1. **Clone the repository:**
```bash
git clone https://codeberg.org/Chneemann/portfolio.git
cd portfolio
```
2. **Install dependencies:**
```bash
npm install
```
3. **Start development server:**
```bash
npm run dev
```
Open [http://localhost:3000](http://localhost:3000) in your browser.
---
## 📁 Repository Structure
```text
├── src/ # Source Code
│ ├── app/ # Next.js App Router (Pages & Metadata)
│ │ ├── favicon.ico
│ │ ├── globals.css # Global Styles & Tailwind Imports
│ │ ├── layout.tsx # Root Layout (Fonts, Metadata, Providers)
│ │ ├── page.tsx # Landing Page / Main View
│ │ ├── imprint/ # Imprint Page
│ │ │ └── page.tsx
│ │ └── privacy/ # Privacy Policy Page
│ │ └── page.tsx
│ │
│ ├── components/ # Reusable UI & Layout Components
│ │ ├── About.tsx # About Me & Bio Section
│ │ ├── AnalyticsModal.tsx # Terminal-Style Analytics Modal
│ │ ├── AnalyticsWidget.tsx # Footer Performance & Metrics Badge
│ │ ├── Background.tsx # Dynamic Canvas / Background Effects
│ │ ├── CommandPalette.tsx # Cmd+K Interactive Command Menu
│ │ ├── Contact.tsx # Contact Form Section
│ │ ├── Footer.tsx # Footer with Links & Credits
│ │ ├── Header.tsx # Navigation Header & Search Trigger
│ │ ├── Hero.tsx # Hero Section / Intro Banner
│ │ ├── Portfolio.tsx # Project Showcase & Cards
│ │ ├── Skills.tsx # Tech Stack & Skill Matrix
│ │ └── Social.tsx # Social Media Links & Bar Component
│ │
│ └── lib/ # Pure Utility Scripts, Configs & Helpers
│ ├── paletteCommands.ts # Registered Commands & Actions
│ └── playSudoEasterEgg.ts # Easter-Egg Shell Simulation Logic
├── backend/ # Lightweight Backend & Mail/Analytics Engine
│ ├── templates/
│ │ └── emailTemplate.php # HTML/CSS Mail Template
│ ├── analytics.php # REST API for Traffic & Metrics
│ ├── config.php # Security, Rate Limiting & Hashing Setup
│ └── sendMail.php # Contact Form Mailer & Handler
├── public/ # Static Assets (Client Access)
│ ├── robots.txt # Search Engine Directives
│ ├── sitemap.xml # XML Sitemap
│ └── assets/
│ ├── icons/ # SVG Icons & Favicons
│ ├── images/ # Screenshots & Profile Assets
│ └── projects/ # Project Graphics & Previews
├── AGENTS.md # AI Agent Instructions
├── CLAUDE.md # Claude Code Instructions
├── eslint.config.mjs # ESLint Rules
├── next.config.ts # Next.js Configuration
├── package.json # Project Dependencies & Scripts
├── postcss.config.mjs # PostCSS Setup
├── README.md # Project Documentation
└── tsconfig.json # TypeScript Compiler Rules
``` ```
Open [http://localhost:3000](http://localhost:3000) with your browser to see the result. ---
You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file. ## 📜 License & Credits
This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel. - **Author:** André Kempf ([dev@andre-kempf.com](mailto:dev@andre-kempf.com))
- **Design & Code:** Built from scratch with Next.js, React & Tailwind CSS.
## Learn More
To learn more about Next.js, take a look at the following resources:
- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
## Deploy on Vercel
The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.