[baidu_analytics] Baidu Analytics

Follow-up to #2693435: Port baidu_analytics to Drupal 8

# Summary

Adds the Baidu Analytics web statistics tracking system to your website.

# Project URL

https://www.drupal.org/project/baidu_analytics

# Where is the code?

https://github.com/ciandt-china-dev/hackathon-drupal8-baidu_analytics

# Estimated completion date

Unknown

# Dependencies

None

# Who's doing the port?

Jieyyal

# What help do they need?

(Are there specific types of resources (e.g. skillsets, $, sprints) that would be helpful to expedite porting?)

# D8 roadmap

(A link to a meta issue, handbook page, Google Doc, etc. with the plan on how to port to D8.)

# Background and reference information

(Links to any other helpful information, documentation, etc.)