Lua doc (#1552)

docs/lua/classes/input_float.md

@@ -0,0 +1,29 @@
+# Class: input_float
+
+## Inherit from 1 class: base_text_element
+
+Class for representing an input field for editing a float value within the GUI.
+
+## Functions (2)
+
+### `get_value()`
+
+- **Returns:**
+  - `float`: Get the value currently written inside the input field.
+
+**Exemple Usage:**
+```lua
+float = input_float:get_value()
+```
+
+### `set_value(val)`
+
+- **Parameters:**
+  - `val` (float): Set the value currently written inside the input field.
+
+**Exemple Usage:**
+```lua
+input_float:set_value(val)
+```
+
+