feat: v1.1.0 - MAC protocol, CLI tool, extended markets, unified client

- Add MacClient/AsyncMacClient with full MAC protocol support (quotes, kline
  with adjustment, tick charts, transactions, boards, capital flow, auction,
  unusual, symbol info, server info)
- Add MacExClient/AsyncMacExClient for extended markets (HK, US, futures)
- Add UnifiedTdxClient auto-routing between A-share and extended markets
- Add `easy-tdx` CLI tool with JSON default output, Agent-friendly
- Add field bitmap protocol for custom quote field selection
- Fix quote-list missing fields (default to BASIC+VOLUME preset)
- Add config.py with centralized host management and auto-discovery
- Add 50+ examples covering all APIs (01-20)
- Rewrite README with CLI-first, Agent-friendly documentation
- Bump version to 1.1.0

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

examples/13_mac_tick/chart_sampling.py

@@ -0,0 +1,49 @@
+"""演示：分时缩略采样。
+
+通过 MacClient 的 get_chart_sampling() 获取指定股票当日分时图的约 240 个价格采样点。
+这些采样点将全部分时数据均匀压缩到 240 个点，适合绘制缩略分时走势图（例如手机端
+或列表页的小型走势图）。
+
+参数:
+    market  -- 市场代码（Market.SH / Market.SZ）
+    code    -- 股票代码
+
+返回 DataFrame 列说明:
+    price   float   采样点价格（共约 240 行）
+"""
+
+from easy_tdx import MacClient, Market
+
+with MacClient.from_best_host() as c:
+    # 获取贵州茅台分时采样（240 个价格点）
+    df = c.get_chart_sampling(Market.SH, "600519")
+    print(f"采样点数: {len(df)}")
+    # 仅展示前 10 个和后 5 个点
+    print("\n--- 前 10 个点 ---")
+    print(df.head(10).to_string(index=False))
+    print("\n--- 后 5 个点 ---")
+    print(df.tail(5).to_string(index=False))
+
+# 运行结果:
+# 采样点数: 240
+#
+# --- 前 10 个点 ---
+#    price
+# 1510.00
+# 1511.00
+# 1512.00
+# 1511.50
+# 1513.00
+# 1515.00
+# 1514.00
+# 1516.00
+# 1515.50
+# 1518.00
+#
+# --- 后 5 个点 ---
+#    price
+# 1518.00
+# 1519.00
+# 1520.00
+# 1521.00
+# 1521.00