Add customized Workout

[praveenraam]

• [x] Add a button to make customized workout
• [x] Check the press-ability
• [x] Make a function to navigate to the next component
• [x] Create a component
• [x] Make a form for creating
• [x] Create a On-Press Function
• [x] Handle the form
• [x] #19
• [x] #20
• [x] #22
• [ ] #23
• [x] Check the working of all the these functions

[praveenraam]

Lets store the adding workout list in the local storage, it will be easier for it

• Tried using React-native-fs, but failed

[praveenraam]

Code for deleting the created workout need to be done

• As people may enter the data wrong, so it is optimal to make the screen to delete
• We will show the data in the screen, user pick a workout to delete