Personalizable options (#36)

* Implementing personalizable options

- Personalizing dot color per day
- Personalizing properties related with the font of the arrows
- Adding personalizable command to execute when a day is tapped

* Adding custom dots

- Adding class DayEventCollection to allow changin the dot color per day
- Updating the example using the new wrapper DayEventCollection

* Fixing property

- Fixing duplicated property

* Fixing dot

- Removing outline color of the dot

* Fixing header appearance

- Fixing distribution of the spaces
- Fixing out of bounds in the name of the month when the display has configured the bigger display size and the bigger font size

* Updating example

- Adding support of fontawesome to the example
- Adding example of the new properties to change the appearance

* Updating documentation

- Updating documentation with new options to customize the calendar and new screenshots

* Format code

- Removing format code done over existing code

* Version code

- Changing the version code

* Separeate Simple and Advance Calender Sample
- Removed Arrows properties it should be setted on Header and Footer custom implementation
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* added support for colors on event indicator

* revert dayview sizes, code cleanup

* added evnet click command

* fix ios images, update sample image, update readme
Co-authored-by: Diego Martinez <[email protected]>
Co-authored-by: MintDevTeam <[email protected]>

Author: 3 people