docs: add bananas page

bananas.mdx

@@ -0,0 +1,31 @@
+---
+title: "Bananas"
+description: "An overview of bananas."
+---
+
+## What is a banana?
+
+A banana is an elongated, edible fruit produced by several kinds of large herbaceous flowering plants in the genus *Musa*. Bananas are grown in over 135 countries and are one of the most widely consumed fruits in the world.
+
+## Nutrition
+
+A medium banana (about 118 g) contains:
+
+- **Calories:** ~105
+- **Carbohydrates:** 27 g
+- **Fiber:** 3 g
+- **Potassium:** 422 mg
+- **Vitamin B6:** 0.4 mg
+
+## Common varieties
+
+- **Cavendish** — the most widely exported variety.
+- **Plantain** — starchier, usually cooked before eating.
+- **Red banana** — sweeter, with reddish-purple skin.
+- **Lady Finger** — smaller and sweeter than the Cavendish.
+
+## Storage tips
+
+- Store at room temperature until ripe.
+- Refrigerate once ripe to slow further ripening (the skin may darken, but the fruit stays fresh).
+- Freeze peeled bananas for use in smoothies or baking.

docs.json

@@ -41,7 +41,8 @@
                       "cli/commands"
                     ]
                   },
-                  "ai-native"
+                  "ai-native",
+                  "bananas"
                 ]
               },
               {