Added drop down to ISD spec

draft/README.md

@@ -38,12 +38,18 @@ The Interactive Story Draft (ISD) format is a intermediate language designed for
    - **Syntax:** `(else:)[Text if false]`
    - **Description:** Follows an `(if:)` statement to handle the false condition.
 
-7. **Random Number Generation:**
+7.  **Drop down:**
+   
+   - **Syntax:** ``(dropdown: $variableName to "Option 1", "Option 2")``
+   
+   - **Description:**
+
+8. **Random Number Generation:**
    
    - **Syntax:** `(set: $variableName to (random: min, max))`
    - **Description:** Sets a variable to a random number between `min` and `max`.
 
-8. **Text Styling:**
+9. **Text Styling:**
    
    - **Syntax:** `''italic''`, `'''bold'''`, `^^superscript^^`, `~~subscript~~`
    - **Description:** Applies basic text formatting.