Added functionality to create directory structure for channels and videos

lib/routes/channel.rb

@@ -24,7 +24,9 @@ namespace '/channel' do
       description: params[:channel_description]
     )
 
+    # create supporting directory structure
     Dir.mkdir(channel.directory_path)
+    channel.ensureDirectoryStructure()
 
     redirect "/channel/#{channel.id}"
   end

lib/routes/video.rb

@@ -25,6 +25,7 @@ namespace '/video' do
     video_serial = params[:video_serial].to_s.rjust(4, '0')
     video_path = File.join(
       channel.directory_path,
+      'Main',
       "##{video_serial} - #{params[:video_name]}"
     )
 
@@ -37,7 +38,9 @@ namespace '/video' do
       script: "# Introduction\n\n# Body\n\n# Conclusions"
     )
 
+    # create supporting directory structure
     Dir.mkdir(video_path)
+    video.ensureDirectoryStructure()
 
     redirect "/video/#{video.id}"
   end
@@ -72,6 +75,7 @@ namespace '/video' do
     video_serial = params[:video_serial].to_s.rjust(4, '0')
     video_path = File.join(
       channel.directory_path,
+      'Main',
       "##{video_serial} - #{params[:video_name]}"
     )