Merge branch 'feat/infinite_scroll'
Creating workout creation page

At the moment it's supported eddit some field from the new
workour, created days and navigate by them using tabs and
edit their fields.
Workout creation page raw but working

First fully functional workout creation page,
not yet linked with the backend. Finishing the exercises
creation feature
Merge branch 'wip/exercise_creation_page' of https://github.com/MateusZitelli/traintool
into wip/workout_creation_page