Implement floating point numbers/HTML form (Mini-lab technical) on personal page

[rebecca-123]

Frontend Link

• [x] Create form for user to input two floating-point numbers
• [x] Add submit button to sum the two floating-point numbers
• [x] Add submit button to subtract the two floating-point numbers
• [x] Add submit button to multiply the two floating-point numbers
• [x] Add submit button to divide the two floating-point numbers

Backend Link

• [x] Return a result depending on which button the user clicks and whether decimal numbers were submitted in the form

[rebecca-123]

Future Advancements

• [ ] Allow users to choose how many numbers to input (unlimited inputs instead of only having 2)
• [ ] Try/except to provide error message if user inputs string/symbols