Text converter (текст символам

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Added keyboard settings:
- size (compact / standard)
- key height
- vibration and duration
Added 4 themes.
Fixed:
- space key is increased and shifted to the right for convenience
- buttons dot / comma / language are given to a common standard
- The "Enter" button now determines the type of input field and responds accordingly. (For example, after pressing the enter button in the search bar, the search will start, but the line will not be transferred)
Privacy policy added