feat: 🎸 workflow

[ZhaoQi99]

Here is an overview of what got changed by this pull request:

Issues
======
- Added 1

Complexity increasing per file
==============================
- miaomiao/src/api/ticket.js  1
- wangwang/ticket/models.py  2
- wangwang/ticket/migrations/0003_ticketfile.py  1
- wangwang/ticket/migrations/0002_auto_20200213_1836.py  1
- wangwang/ticket/serializers.py  2
- wangwang/ticket/admin.py  1
- wangwang/workflow/serializers.py  2
- wangwang/workflow/migrations/0002_auto_20200213_1846.py  1
- wangwang/ticket/apps.py  1
- wangwang/workflow/apps.py  1
- miaomiao/src/api/workflow.js  1
- wangwang/workflow/migrations/0001_initial.py  1
- wangwang/ticket/migrations/0001_initial.py  1
- wangwang/utils/service.py  1
- wangwang/wangwang/wangwang.py  2
- wangwang/workflow/views.py  2
- wangwang/workflow/admin.py  1
- wangwang/ticket/views.py  4
- wangwang/workflow/models.py  1
- wangwang/utils/base.py  5

Complexity decreasing per file
==============================
+ miaomiao/src/utils/request.js  -1

Clones added
============
- wangwang/workflow/serializers.py  2
- wangwang/workflow/migrations/0001_initial.py  9
- wangwang/ticket/migrations/0001_initial.py  1

See the complete overview on Codacy