Environment
Install extensions: cntl + shift + X
change settings using command palette: cntl+shift+P
small settings
wordwrap (on/ off): alt+z
latex environment
a. install Latex workshop (ref.: https://zenn.dev/okaito/articles/5a9e24f4223a6c)
b. set dual display (assign cntl+shift+n to open a new window.) (ref.:https://qiita.com/ksg/items/ced83faed79df2f9c0d2)
c. word count (open the command palette (ctrl+shift+p) and type "count". )
(ref: https://www.reddit.com/r/LaTeX/comments/wxvne0/how_to_see_wordcount_of_document_in_vs_code/)