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, 30 insertions, 0 deletions

diff --git a/examples/scatter_chart_example.md b/examples/scatter_chart_example.md
new file mode 100644
index 00000000..1e60cef6
--- /dev/null
+++ b/examples/scatter_chart_example.md
@@ -0,0 +1,30 @@
+## Description
+
+Scatter chart example
+
+## Code
+
+```ruby
+require 'axlsx'
+
+p = Axlsx::Package.new
+wb = p.workbook
+
+wb.add_worksheet(name: 'Bar Chart') do |sheet|
+  sheet.add_row ['First',  1,  5,  7,  9]
+  sheet.add_row ['',       1, 25, 49, 81]
+  sheet.add_row ['Second', 5,  2, 14,  9]
+  sheet.add_row ['',       5, 10, 15, 20]
+
+  sheet.add_chart(Axlsx::ScatterChart, start_at: 'A6', end_at: 'F20') do |chart|
+    chart.add_series xData: sheet['B1:E1'], yData: sheet['B2:E2'], title: sheet['A1']
+    chart.add_series xData: sheet['B3:E3'], yData: sheet['B4:E4'], title: sheet['A3']
+  end
+end
+
+p.serialize 'scatter_chart_example.xlsx'
+```
+
+## Output
+
+![Output](images/scatter_chart_example.png "Output")