feature/115-auto-adjust-height

[johnferchermeli]

Description
Adapt table list to calculate the header and content height to avoid new line issues, as text extrapolating the cell area.

Fix Examples

• Fix all examples;
• Add an item to update examples in template;

Auto adjust height

• Create GetScalarFactor method in Text interface;
• Create GetLinesQuantity method in Text interface;
• Extract private method getLines to build lines from words, Text.Add and Text.GetLinesQuantity use this new method;
• Remove HeaderHeight property from TableList prop;
• Remove ContentHeight property from TableList prop;
• Add VerticalPadding in Text prop;
• Update mocks
• Extract tablelist from pdf
• Fix unit tests

Obtain the max number of lines from a column inside the row, multiply this value by the font size and sum the vertical padding;

Related Issue
resolve #115

Checklist

check with "x", if applied to your change

• All methods associated with structs has func (s *struct) method() {} name style.
• Wrote unit tests for new/changed features.
• Updated docs/doc.go
• Updated pkg/pdf/example_test.go
• Updated README.md
• Updated all examples inside internal/examples
• New public methods has comments upside them explaining what it does
• Executed go fmt github.com/johnfercher/maroto/... to format all files

[codecov-io]

Codecov Report

Merging #116 into dev will decrease coverage by 3.51%.
The diff coverage is 84.03%.

@@            Coverage Diff            @@
##              dev     #116     +/-   ##
=========================================
- Coverage   98.31%   94.81%   -3.5%     
=========================================
  Files           8        9      +1     
  Lines         473      520     +47     
=========================================
+ Hits          465      493     +28     
- Misses          4       22     +18     
- Partials        4        5      +1

Impacted Files	Coverage Δ
internal/text.go	100% <100%> (ø)	⬆️
pkg/pdf/pdf.go	100% <100%> (+4%)	⬆️
internal/font.go	100% <100%> (ø)	⬆️
pkg/props/prop.go	100% <100%> (ø)	⬆️
internal/tablelist.go	50% <50%> (ø)

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