Add fantasy football example data for blog post

FantasyFootball/README.md

@@ -0,0 +1,60 @@
+# Fantasy Football Data
+
+Sample data for the [AI at Your Draft Table](https://deephaven.io/blog/2026-08-25-fantasy-football-draft-ai/) blog post. Contains 2026 preseason fantasy football projections and average draft position (ADP) data for PPR scoring.
+
+## Files
+
+| File | Rows | Description |
+|------|------|-------------|
+| `projections.csv` | 120 | Consensus fantasy point projections |
+| `adp.csv` | 120 | Average draft position from major platforms |
+
+## Schema
+
+**`projections.csv`**
+
+| Column | Type | Description |
+|--------|------|-------------|
+| `player` | string | Player name |
+| `team` | string | NFL team abbreviation |
+| `position` | string | Position (QB, RB, WR, TE) |
+| `projected_points` | float | Projected fantasy points (PPR scoring) |
+| `injury_status` | string | Injury designation if applicable |
+
+**`adp.csv`**
+
+| Column | Type | Description |
+|--------|------|-------------|
+| `player` | string | Player name |
+| `adp` | float | Average draft position |
+| `adp_rank` | int | Overall ADP rank |
+
+## Usage
+
+```python
+from deephaven import read_csv
+
+projections = read_csv(
+    "https://media.githubusercontent.com/media/deephaven/examples/main/FantasyFootball/projections.csv"
+)
+
+adp = read_csv(
+    "https://media.githubusercontent.com/media/deephaven/examples/main/FantasyFootball/adp.csv"
+)
+
+# Join and calculate value
+draft_board = projections.natural_join(
+    adp, on=["player"], joins=["adp", "adp_rank"]
+).update_view([
+    "value_score = projected_points / adp_rank"
+]).sort_descending("value_score")
+```
+
+## Notes
+
+- Projections are illustrative samples based on 2026 preseason consensus.
+- For live data, use [FantasyPros API](https://www.fantasypros.com/api-data/), [Sleeper](https://docs.sleeper.com/), or ESPN projections.
+
+## Source and license
+
+This dataset was created for demonstrative purposes. Deephaven makes no claim of its authenticity or its accuracy.