Sketch&Comic

Sketch and comic like output from picture
1. Color sketch
2. Black and White sketch
3. Color Comic like image
4. Black and White Comic like image
5. Options (Low, Medium and High)
6. Made Input and Output sections
7. User is able to save the output as JPG image
8. Aligned "Sketch or Comic" Text
9. Target sdk is set to 36
10. Fixed save output issue
11. Back button functionality implemented
12. Issue with "File already exists" solved