* fish tldr clean-up:
- short options preferred over long ones
- page made more consistent with elvish page (check my PR)
- commands reordered: interactive commands, non-interactive commands
- set command example removed because it is example of Fish language but not of fish command
* Update md to be consistent with #7416 issue:
* Simplify version print command description
* Use long options
* --no-execute change: it is assumed that script is not executed by default after syntax check
* Return set -Ux example
* set builtin description fix
b3cd39d9b6