feat(mdx-loader): wrap mdx content title (# Title) in <header> for concistency
#6899
| Job | Run time |
|---|---|
| 6m 14s | |
| 6m 14s |
# Title) in <header> for concistency
#6899
| Job | Run time |
|---|---|
| 6m 14s | |
| 6m 14s |