chore: generate completions & manpage

Author: Skim bot

man/man1/sk.1

@@ -182,7 +182,7 @@ Disable mouse
 \fB\-c\fR, \fB\-\-cmd\fR \fI<CMD>\fR
 Command to invoke dynamically in interactive mode
 
-Will be invoked using sh \-c
+Will be invoked using sh \-c on Unix and cmd.exe /C on Windows.
 .TP
 \fB\-i\fR, \fB\-\-interactive\fR
 Start skim in interactive mode
@@ -494,7 +494,7 @@ Generate completion script for the specified shell: bash, zsh, fish, etc. The ou
 
 Supported shells: bash, zsh, fish, powershell, elvish
 
-Note: PowerShell completions are supported. The --tmux popup mode is Unix-only.
+Note: PowerShell completions are supported. The \-\-tmux popup mode is Unix\-only.
 .br
 
 .br