done most of issue281

[Chronostasys]

add more features:

• [x] underline
• [x] co-edit
• [x] word count
• [x] horizontal rules
• [x] alignment

[codecov[bot]]

Codecov Report

Merging #283 (4cb854c) into main (4244627) will decrease coverage by 0.30%. The diff coverage is 12.12%.

@@            Coverage Diff             @@
##             main     #283      +/-   ##
==========================================
- Coverage   32.47%   32.17%   -0.31%     
==========================================
  Files          40       40              
  Lines        2186     2213      +27     
==========================================
+ Hits          710      712       +2     
- Misses       1387     1412      +25     
  Partials       89       89              

Impacted Files	Coverage Δ
database/accounts.go	5.64% <0.00%> (ø)
mo2utils/jwtutils.go	55.00% <0.00%> (-1.42%)	:arrow_down:
server/controller/blog.go	0.00% <0.00%> (ø)
server/model/blog.go	0.00% <ø> (ø)
database/blogs.go	40.86% <100.00%> (+0.51%)	:arrow_up:
server/controller/account.go	61.11% <100.00%> (ø)
server/controller/controller.go	100.00% <100.00%> (ø)