add queryweb3 (#2458)

* add queryweb3

* Translate some Chinese milestones into English

* Supplement incomplete content for QueryWeb3

* Add UI image

* Add UI files

* Add business flow files

* Add business flow files

* Answering Milestones Questions

* update TiDB with MySQL for current version

* update Django with FastAPI for development

* add some unnecessary info

* add some unnecessary info

* update format info

* delete assethub info

* update DOT payment

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Co-authored-by: RogerLe <[email protected]>

Author: lechangxu