Child Img Gen: refactored generate.rb to 1.break down the generate sub steps, 2. recursively generate child architecture diagrams, 3. correct the filenames in the image generation process
Child Img Gen: refactored generate.rb to 1.break down the generate sub steps, 2. recursively generate child architecture diagrams, 3. correct the filenames in the image generation process

vinodkd/sid,vinodkd/sid