The BMI Calculator App is designed to assist users in calculating their Body Mass Index (BMI) based on
their weight and height. It supports multiple measurement units (metric and imperial) and categorizes
BMI results for easy understanding.

User Inputs:
Weight input options: kilograms or pounds.
Height input options: centimeters or feet/inches.

Calculation Logic:
Computes BMI using the formula: BMI = Weight (kg) / (Height (m)²).
Categorizes BMI results into four classifications:
Underweight (BMI < 18.5)
Normal weight (BMI 18.5 - 24.9)
Overweight (BMI 25 - 29.9)
Obese (BMI ≥ 30)

User Interface:
Dropdown for switching between measurement units for weight and height.
Display area for showing the calculated BMI and its category.
The reset button sets the initial values and results for a fresh start.

The BMI Calculator App provides a user-friendly experience for calculating and understanding BMI. It
caters to users' preferences with flexible input options and presents results in an easily interpretable
format. The app's functionalities, including input validation and dynamic calculations, make it a valuable
tool for health-conscious individuals.