Page events for headers and footers

Some examples for questions such as:

• Click How to add text as a header or footer?

• Click How to add a table as a header?

• Click How to create a table with 2 rows that can be used as a footer?

• Click How to add HTML headers and footers to a page?
• Click How to generate a report with dynamic header in PDF using itextsharp?

tablefooter

##GITHUB:https://github.com/itext/i5js-sandbox/blob/master/src/main/java/sandbox/events/TextFooter.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/events/TableFooter.cs##

tableheader

##GITHUB:https://github.com/itext/i5js-sandbox/blob/master/src/main/java/sandbox/events/TableFooter.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/events/TableHeader.cs##

textfooter

##GITHUB:https://github.com/itext/i5js-sandbox/blob/master/src/main/java/sandbox/events/TableHeader.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/events/TextFooter.cs##

variableheader

##GITHUB:https://github.com/itext/i5js-sandbox/blob/master/src/main/java/sandbox/events/VariableHeader.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/events/VariableHeader.cs##