Add RepeatHeaderRowAtTheTopOfEachPage to Tables

[PrzemyslawKlys]

This PR resolves:

• Repeat as header row at the top on each page #230

WordTable wordTable = document.AddTable(4, 4, WordTableStyle.TableNormal);
wordTable.RepeatHeaderRowAtTheTopOfEachPage = true;
wordTable.Rows[0].Cells[0].Paragraphs[0].Text = "Test 1";
wordTable.Rows[1].Cells[0].Paragraphs[0].Text = "Test 2";
wordTable.Rows[2].Cells[0].Paragraphs[0].Text = "Test 3";
wordTable.Rows[3].Cells[0].Paragraphs[0].Text = "Test 4";