V2.2 - Add training materials (TM) into search engine and improve User search capability

[gezhao]

use case:

1. add search engine option to select "training materials", and customers shall see links and summary and title in the similar expereice

Components interface:

0. Data uploader
   IFC: Python program

   Input: Database (materials)
   Output: Into extractor folder as file (a comma separated csv file)

1. Extractror
   Input : 0 output
   Output: JSON file for indexing with fields:
   - Title
   - date (optional)
   - Summary
   - Search Content
   - Url
   - type
   - subtype

2. Search engine
   Input: JSON (1)
   Output: Available indexing and TM API (TBD)

3. UI
   Input: Search API (2), fileter (type, subtype) with keyword in box
   Output: the list in UI (title, summary, links, type, subtype)

[gezhao]

Assign to kevin.

[gezhao]

This was supposed going to Kevin, but his github is not available.

[gezhao]

Any udate?