OPT20028:New alignment serializer

[tenzin3]

Description

New alignment serializer.

Expected Output

JSON file able to work in pecha.org.

Input

Two pecha in opf format.

Implementation Steps

• [x] understand the expected json output
• [x] read pecha opf
• [x] prepare base json format
• [x] main serializer script
• [x] test in pecha.org staging

[tenzin3]

With discussion after @lobsam, this is the expected JSON output file for this issue.

[tenzin3]

Made BaseAlignmentSerializer class to normalize the future Alignment serializer.

[tenzin3]

Tested the serialized output with @lobsam and @Lungsangg. Made neccessary changes and uploaded to here.

Important Note: Currently, the metadata of pechas has been dummied.