Restructure examples folder (#47)

Split examples into separate markdown files, each containing a description, sample code, and a screenshot of the resulting xlsx document.

The script `generate.rb` is provided to actually generate the example documents by executing the sample code contained in the markdown files.

1 files changed, 28 insertions, 0 deletions

diff --git a/examples/merge_cells_example.md b/examples/merge_cells_example.md
new file mode 100644
index 00000000..f8b3aa46
--- /dev/null
+++ b/examples/merge_cells_example.md
@@ -0,0 +1,28 @@
+## Description
+
+You could merge cells
+
+## Code
+
+```ruby
+require 'axlsx'
+
+p = Axlsx::Package.new
+wb = p.workbook
+
+wb.add_worksheet(name: 'Merge cells') do |sheet|
+  sheet.add_row ['Vertical', '', '']
+  sheet.add_row ['Horizontal']
+  sheet.add_row ['']
+  sheet.add_row ['']
+
+  sheet.merge_cells('A1:C1')
+  sheet.merge_cells('A2:A4')
+end
+
+p.serialize 'merge_cells_example.xlsx'
+```
+
+## Output
+
+![Output](images/merge_cells_example.png "Output")