Add `.doc` file parser. (#497)

### What problem does this PR solve?
Add `.doc` file parser, using tika.
```
pip install tika
```
```
from tika import parser
from io import BytesIO

def extract_text_from_doc_bytes(doc_bytes):
    file_like_object = BytesIO(doc_bytes)
    parsed = parser.from_buffer(file_like_object)
    return parsed["content"]
```
### Type of change

- [x] New Feature (non-breaking change which adds functionality)

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Co-authored-by: chrysanthemum-boy <fannc@qq.com>