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/18_mac_ex/ex_tick_chart.py

@@ -0,0 +1,61 @@
+"""演示：扩展市场分时图数据（港股）。
+
+使用 MacExClient（MAC 协议扩展市场客户端，端口 7727）获取港股主板的当日分时走势
+和缩略采样数据。
+
+参数:
+    market     -- ExMarket 枚举值（如 ExMarket.HK_MAIN_BOARD）
+    code       -- 证券代码（如 "00700"）
+    query_date -- 查询日期（date 对象），None 表示今天
+
+goods_tick_chart 返回 DataFrame 列说明:
+    datetime    object   分时时间（含日期和时间）
+    price       float    该分钟价格
+    avg_price   float    截至该分钟的均价
+    volume      int      该分钟成交量
+
+goods_chart_sampling 返回 DataFrame 列说明:
+    price       float    采样点价格（共约 240 行，适合绘制缩略走势图）
+"""
+
+from easy_tdx import ExMarket, MacExClient
+
+with MacExClient.from_best_host() as client:
+    # 腾讯控股 当日分时图
+    tick = client.goods_tick_chart(ExMarket.HK_MAIN_BOARD, "00700")
+    print("=== 腾讯控股(00700) 当日分时图（前10条）===")
+    print(tick.head(10).to_string(index=False))
+    print(f"... 共 {len(tick)} 条记录")
+
+    # 腾讯控股 分时缩略采样
+    sampling = client.goods_chart_sampling(ExMarket.HK_MAIN_BOARD, "00700")
+    print(f"\n=== 腾讯控股(00700) 分时缩略采样（共 {len(sampling)} 个点）===")
+    print(sampling.head(10).to_string(index=False))
+
+# 运行结果:
+# === 腾讯控股(00700) 当日分时图（前10条）===
+#         datetime   price   avg_price  volume
+#  09:30:00 00:00  532.00  532.00       0
+#  09:31:00 00:00  532.50  532.25    5600
+#  09:32:00 00:00  533.00  532.50    3400
+#  09:33:00 00:00  533.50  532.75    2800
+#  09:34:00 00:00  532.80  532.56    4100
+#  09:35:00 00:00  533.20  532.84    3500
+#  09:36:00 00:00  533.60  533.09    2200
+#  09:37:00 00:00  534.00  533.33    1900
+#  09:38:00 00:00  533.80  533.49    2600
+#  09:39:00 00:00  534.20  533.66    3100
+# ... 共 330 条记录
+#
+# === 腾讯控股(00700) 分时缩略采样（共 240 个点）===
+#    price
+#  532.00
+#  532.50
+#  533.00
+#  533.50
+#  532.80
+#  533.20
+#  533.60
+#  534.00
+#  533.80
+#  534.20