content: Update CLI docs

Closes #3187
Closes #3219

Co-authored-by: nisbet-hubbard <87453615+nisbet-hubbard@users.noreply.github.com>

content/en/commands/hugo_gen_chromastyles.md

@@ -24,6 +24,8 @@ hugo gen chromastyles [flags] [args]
       --highlightStyle string           foreground and background colors for highlighted lines, e.g. --highlightStyle "#fff000 bg:#000fff"
       --lineNumbersInlineStyle string   foreground and background colors for inline line numbers, e.g. --lineNumbersInlineStyle "#fff000 bg:#000fff"
       --lineNumbersTableStyle string    foreground and background colors for table line numbers, e.g. --lineNumbersTableStyle "#fff000 bg:#000fff"
+      --omitClassComments               omit CSS class comment prefixes in the generated CSS
+      --omitEmpty                       omit empty CSS rules (deprecated, no longer needed)
       --style string                    highlighter style (see https://xyproto.github.io/splash/docs/) (default "friendly")
 ```
 

content/en/commands/hugo_new.md

@@ -45,6 +45,6 @@ Ensure you run this within the root directory of your site.
 
 * [hugo](/commands/hugo/)	 - Build your site
 * [hugo new content](/commands/hugo_new_content/)	 - Create new content
-* [hugo new site](/commands/hugo_new_site/)	 - Create a new site (skeleton)
-* [hugo new theme](/commands/hugo_new_theme/)	 - Create a new theme (skeleton)
+* [hugo new site](/commands/hugo_new_site/)	 - Create a new site
+* [hugo new theme](/commands/hugo_new_theme/)	 - Create a new theme
 

content/en/commands/hugo_new_site.md

@@ -5,13 +5,11 @@ url: /commands/hugo_new_site/
 ---
 ## hugo new site
 
-Create a new site (skeleton)
+Create a new site
 
 ### Synopsis
 
-Create a new site in the provided directory.
-The new site will have the correct structure, but no content or theme yet.
-Use `hugo new [contentPath]` to create new content.
+Create a new site at the specified path.
 
 ```
 hugo new site [path] [flags]

content/en/commands/hugo_new_theme.md

@@ -5,14 +5,12 @@ url: /commands/hugo_new_theme/
 ---
 ## hugo new theme
 
-Create a new theme (skeleton)
+Create a new theme
 
 ### Synopsis
 
-Create a new theme (skeleton) called [name] in ./themes.
-New theme is a skeleton. Please add content to the touched files. Add your
-name to the copyright line in the license and adjust the theme.toml file
-according to your needs.
+Create a new theme with the specified name in the ./themes directory.
+This generates a functional theme including template examples and sample content.
 
 ```
 hugo new theme [name] [flags]
@@ -21,7 +19,8 @@ hugo new theme [name] [flags]
 ### Options
 
 ```
-  -h, --help   help for theme
+      --format string   preferred file format (toml, yaml or json) (default "toml")
+  -h, --help            help for theme
 ```
 
 ### Options inherited from parent commands