Initial commit: MCP server wrapping tradingview-screener as MCP tools

- 11 MCP tools: get_stock_quotes, screen_market, find_top_gainers,
  find_top_losers, find_most_active, technical_scan, fundamental_scan,
  list_markets, list_fields, set_session, clear_session
- Structured filter conditions with nested And/Or groups
- Session cookie resolution: per-call > in-memory > env var
- auto-load .env via python-dotenv
- 69 unit tests covering helpers, conditions, filters, and all tools

pyproject.toml

@@ -0,0 +1,10 @@
+[project]
+name = "tradingview-screener-mcp"
+version = "0.1.0"
+description = "MCP server for TradingView stock screener"
+requires-python = ">=3.11"
+dependencies = [
+    "mcp>=1.0.0",
+    "tradingview-screener>=3.0.0",
+    "python-dotenv>=1.0.0",
+]