[Feature] Auto generation for OP docs (#527)

* + add a pre-commit hook to automatically generate Operator document and tag the OP according to their implementation progress

* - generate docs only when the updated OP records are different from the original OP records

* fix the error when there are classes missing doc; minor improvements about the template text

* fix bad links

* - remove Operators_ZH.md and redirect related link to Operators.md
- invoke generic_visit before returning

---------

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

Author: HYLcool

.pre-commit-config.yaml

@@ -33,6 +33,15 @@ repos:
       - id: mixed-line-ending
         exclude: thirdparty/
         args: [ "--fix=lf" ]
+  - repo: local
+    hooks:
+      - id: build-op-doc
+        name: build OP doc
+        entry: python .pre-commit-hooks/build_op_doc.py
+        language: python
+        require_serial: true
+        additional_dependencies:
+          - googletrans==4.0.2
 
 exclude: |
   (?x)^(