refactor: reorganize project structure — consolidate Docker files, clean root

- Delete temp files: _tmp_analysis.py, nul, dashboard_screenshot.png
- Move ea/ to archive/ea/ (deprecated)
- Move 12 Docker helper scripts (.bat/.sh) to docker/scripts/
- Move 5 Docker docs to docker/docs/
- Move .env.docker.example, requirements-docker.txt to docker/
- Update all scripts with cd to project root for correct path resolution
- Update all doc references to new paths
- Update .gitignore with bot.pid, bot_output.log, *.png patterns
- Update CLAUDE.md, README.md directory trees

Root reduced from ~40 files to 12 essential files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.md

@@ -103,7 +103,10 @@ xaubot-ai/
 │   ├── arsitektur-ai/        #   Architecture docs (23 components)
 │   └── research/             #   Research & analysis
 ├── web-dashboard/            # Next.js monitoring dashboard
-└── docker/                   # Docker configuration
+├── docker/                   # Docker configuration & scripts
+│   ├── scripts/              #   Helper scripts (.bat/.sh)
+│   └── docs/                 #   Docker documentation
+└── archive/                  # Deprecated files (gitignored)
 ```
 
 ## Backtest Results (Jan 2025 - Feb 2026)
@@ -129,14 +132,14 @@ git clone https://github.com/GifariKemal/xaubot-ai.git
 cd xaubot-ai
 
 # 2. Configure environment
-cp .env.docker.example .env
+cp docker/.env.docker.example .env
 # Edit .env with your MT5 credentials
 
 # 3. Start all services (Windows)
-docker-start.bat
+docker\scripts\docker-start.bat
 
 # 3. Start all services (Linux/Mac)
-./docker-start.sh
+./docker/scripts/docker-start.sh
 ```
 
 **Services will be available at:**
@@ -145,7 +148,7 @@ docker-start.bat
 - 📚 API Docs: http://localhost:8000/docs
 - 🗄️ Database: localhost:5432
 
-**Full Docker documentation:** See [DOCKER.md](DOCKER.md)
+**Full Docker documentation:** See [docker/docs/DOCKER.md](docker/docs/DOCKER.md)
 
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