Added `section_class` parameter.

server.js

@@ -92,9 +92,12 @@ app.get('/view/:baseView', async (req, res) => {
     return res.send(data.errorMessage);
   }
 
+  const blockName = config.has('blockName') ? config.get('blockName') : 'development';
+
   data.helpers = {
     include_partial: (path) => projectDir + path,
-    include_block_template: (path) => 'src/' + (config.has('blockName') ? config.get('blockName') : 'development') + '.template',
+    include_block_template: (path) => `src/${blockName}.template`,
+    section_class: `${blockName}--${jsonFileName}`
   }
 
   const baseView = req.params.baseView ?? 'container';