NumConvert v1.1.0 Update

Here are the changes in the new update:

• Added the octal number system to the list of base types and conversion types. Octal currently has an input limit of 14 digits.
• Anchored the Clear, Clear Entry, and Convert button to the top right corner of the screen.
• Extended the maximum value of decimal and hexadecimal inputs to 12 digits each.
• When displaying binary values, text will be displayed in groups of four bits for easier readability.
• Fix the way ads fit in with the whole layout. Ads are now fixed to be stationary at the bottom of the screen and the program fits in ScrollView.