Fixing empty EndDate Bar entry

• When EndDate is empty or null, it shows no red bar, instead drawing a bar at timestamp 0.

Create new entry data model

• Create a new entry data model in the core module to abstract the MPAndroidChart library models.
• update Gradle (5.1.1 -> 6.7.1).
• update Android Gradle Plugin (3.1.4 -> 4.0.1).
• update targetSdkVersion (28 -> 29).
• Ktlint fixes.

Make ForecastComponent Reactive

Add auxiliar anvil components to do renderization

Remove redundant core folder inside of core module

• Add group and application name for publishing

• Add configuration for publishing sources, javadoc and aar file

• Update lib of anvil to anvil-sdk21

• Add missing properties to extra in gradle

• Change permission use of gradlew to 755

Implemented Function to change Date Format and Decimal Format

• Date format editable
• Decimal format editable
• Updated Threeten library

Implemented fixed Marker View and hide Details Labels

• Fixed tooltip marker view
• Hide Label Details by default (is a configurable attribute on component)

Chart Component Improvement

• Created separated attributes for each element, improving creation of the chart component.

Added zoom option and marker view improvement

• Add zoom enable option to the chart creation;
• Hide marker view when chart is not pressed.

Added new line to chart and new creation method

• Added forecasted data dashed line to chart;
• Allows the chart creation with or without the production target data.

Date-time conversion bug fix

• Created new date formatter using ThreeTen Android Backport.

Base code added

This version has the base code for building the forecast chart.