This commit contains lots of changes on README.md, i.e.:
**Add:**
- add conventional commits
- add a new appendix entry
**Remove:**
- remove useless introduction of code of conduct
- remove off-topic FAQs
**Change:**
- replace Chinese headings to English ones
- add/update more details of branches
- refactor the whole tag system
NOTE: This commit has been amended to advancedly resize all picutres in
the ratio of 50%. Original: 9f1b023eab93e2549919ccc2a39a056ce3c05128.
This commit would have been split into several commits to sort all the
images, but there are too many commits which just updated the docs
before this one.
List of all updated pictures in this commit:
- IMG_20211014_214637.jpg
- IMG_20211017_193725.jpg
- IMG_20211213_020404.jpg
- IMG_20211214_212728.jpg
- IMG_20211220_131537.jpg
- IMG_20211220_133031.jpg
- IMG_20220102_131004.jpg
LittleYe233