refactor: 重构目录结构以支持 i18n

创建 'i18n' 目录以存放多语言内容。将所有现有的中文内容（文档、提示词、技能、README）移动到 'i18n/zh/' 中。添加了新的根 README 作为语言入口，并为英文（'en'）翻译创建了占位符结构。

skills/timescaledb/SKILL.md

@@ -1,108 +0,0 @@
----
-name: timescaledb
-description: TimescaleDB - PostgreSQL extension for high-performance time-series and event data analytics, hypertables, continuous aggregates, compression, and real-time analytics
----
-
-# Timescaledb Skill
-
-Comprehensive assistance with timescaledb development, generated from official documentation.
-
-## When to Use This Skill
-
-This skill should be triggered when:
-- Working with timescaledb
-- Asking about timescaledb features or APIs
-- Implementing timescaledb solutions
-- Debugging timescaledb code
-- Learning timescaledb best practices
-
-## Quick Reference
-
-### Common Patterns
-
-*Quick reference patterns will be added as you use the skill.*
-
-### Example Code Patterns
-
-**Example 1** (bash):
-```bash
-rails new my_app -d=postgresql
-    cd my_app
-```
-
-**Example 2** (ruby):
-```ruby
-gem 'timescaledb'
-```
-
-**Example 3** (shell):
-```shell
-kubectl create namespace timescale
-```
-
-**Example 4** (shell):
-```shell
-kubectl config set-context --current --namespace=timescale
-```
-
-**Example 5** (sql):
-```sql
-DROP EXTENSION timescaledb;
-```
-
-## Reference Files
-
-This skill includes comprehensive documentation in `references/`:
-
-- **api.md** - Api documentation
-- **compression.md** - Compression documentation
-- **continuous_aggregates.md** - Continuous Aggregates documentation
-- **getting_started.md** - Getting Started documentation
-- **hyperfunctions.md** - Hyperfunctions documentation
-- **hypertables.md** - Hypertables documentation
-- **installation.md** - Installation documentation
-- **other.md** - Other documentation
-- **performance.md** - Performance documentation
-- **time_buckets.md** - Time Buckets documentation
-- **tutorials.md** - Tutorials documentation
-
-Use `view` to read specific reference files when detailed information is needed.
-
-## Working with This Skill
-
-### For Beginners
-Start with the getting_started or tutorials reference files for foundational concepts.
-
-### For Specific Features
-Use the appropriate category reference file (api, guides, etc.) for detailed information.
-
-### For Code Examples
-The quick reference section above contains common patterns extracted from the official docs.
-
-## Resources
-
-### references/
-Organized documentation extracted from official sources. These files contain:
-- Detailed explanations
-- Code examples with language annotations
-- Links to original documentation
-- Table of contents for quick navigation
-
-### scripts/
-Add helper scripts here for common automation tasks.
-
-### assets/
-Add templates, boilerplate, or example projects here.
-
-## Notes
-
-- This skill was automatically generated from official documentation
-- Reference files preserve the structure and examples from source docs
-- Code examples include language detection for better syntax highlighting
-- Quick reference patterns are extracted from common usage examples in the docs
-
-## Updating
-
-To refresh this skill with updated documentation:
-1. Re-run the scraper with the same configuration
-2. The skill will be rebuilt with the latest information