docs: 기본 파일 구조, .gitignore, CLAUDE.md, README.md, 및 작업 관리 시스템을 위한 설정 파일 추가

.claude/commands/task/next.md

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+---
+allowed-tools: mcp__taskmaster-ai__next_task, mcp__taskmaster-ai__get_task, TodoWrite, Read, Write, MultiEdit, Bash, Grep, Glob
+description: Get next task and start implementing it immediately
+---
+
+# Next Task & Implement
+
+**User Request:** $ARGUMENTS
+
+## Goal
+
+Find the next task and start implementing it right away (unless you say otherwise).
+
+## How It Works
+
+1. **Find next task** based on priorities and dependencies
+2. **Show task details** briefly
+3. **Start implementation** immediately