update markdown alignment example

Author: mipmip

examples/markdown/markdown-table-alignment.md

@@ -1,6 +1,6 @@
-| Ingredient |     Amount |       unit |
-|-----------:|-----------:|-----------:|
-|   Sardines |       1.00 |       kilo |
-|    Garlick |       3.00 |       toes |
-|    Parsley |       1.00 |      bunch |
-| White wine |       1.00 |     bottle |
+| Ingredient (def: left) | Shop: (left)       | Amount (right) | Unit (center) |
+|------------------------|:-------------------|---------------:|:-------------:|
+| Sardines               | Fish Market        |           1.00 |     kilo      |
+| Garlick                | Vegetables Inc.    |           3.00 |     toes      |
+| Parsley                | Vegetables Inc.    |           1.00 |     bunch     |
+| White wine             | Rosemary's Spirits |           1.00 |    bottle     |