Add morning-report and stock-lookup skills

Add comprehensive morning report skill with collectors for calendar, email, tasks,
infrastructure status, news, stocks, and weather. Add stock lookup skill for quote queries.

skills/stock-lookup/SKILL.md

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+---
+name: stock-lookup
+description: Look up stock prices and quotes
+---
+
+# Stock Lookup Skill
+
+Fetch real-time stock quotes and trends from Yahoo Finance.
+
+## Usage
+
+```bash
+~/.claude/skills/stock-lookup/scripts/quote.py SYMBOL [SYMBOL...]
+~/.claude/skills/stock-lookup/scripts/quote.py SYMBOL --trend [RANGE]
+```
+
+## Examples
+
+Single stock:
+```bash
+~/.claude/skills/stock-lookup/scripts/quote.py CRWV
+```
+
+Multiple stocks:
+```bash
+~/.claude/skills/stock-lookup/scripts/quote.py AAPL MSFT GOOGL NVDA
+```
+
+3-month trend (default):
+```bash
+~/.claude/skills/stock-lookup/scripts/quote.py CRWV --trend
+```
+
+1-year trend:
+```bash
+~/.claude/skills/stock-lookup/scripts/quote.py NVDA --trend 1y
+```
+
+JSON output:
+```bash
+~/.claude/skills/stock-lookup/scripts/quote.py --json CRWV
+~/.claude/skills/stock-lookup/scripts/quote.py --json --trend 6mo CRWV
+```
+
+## Options
+
+| Option | Description |
+|--------|-------------|
+| `--trend [RANGE]` | Show trend with sparkline. Default: 3mo |
+| `--json` | Output as JSON |
+
+## Trend Ranges
+
+`1mo`, `3mo`, `6mo`, `1y`, `2y`, `5y`, `ytd`, `max`
+
+## Output
+
+**Quote mode:** Symbol, name, price, daily change, market state
+
+**Trend mode:** Start/end prices, change, high/low, ASCII sparkline
+
+## Notes
+
+- Uses Yahoo Finance unofficial API (no key required)
+- Prices may be delayed 15-20 minutes for some exchanges
+- Works for stocks, ETFs, indices (^GSPC, ^DJI), crypto (BTC-USD)