feat(techdocs): add techdocs-cli option to disable external font download

Signed-off-by: Karthik <karthik.jk11@gmail.com>

docs/features/techdocs/cli.md

@@ -149,6 +149,8 @@ Options:
                                   Defaults to false, which means that the techdocs-core plugin is always added to the mkdocs file.
   --legacyCopyReadmeMdToIndexMd   Attempt to ensure an index.md exists falling back to using <docs-dir>/README.md or README.md
                                   in case a default <docs-dir>/index.md is not provided. (default: false)
+  --disableExternalFonts          Disable external font downloads for all TechDocs sites. Useful for air-gapped environments
+                                  where Google fonts cannot be accessed. (default: false)
   --runAsDefaultUser              Bypass setting the container user as the same user and group id as host for Linux and MacOS (default: false)
   -v, --verbose                   Enable verbose output. (default: false)
   -h, --help                      display help for command

docs/features/techdocs/how-to-guides.md

@@ -574,7 +574,7 @@ your file-level configuration and not override it.
 
 #### Manual configuration in mkdocs.yml
 
-Alternatively, you can manually add the following configuration to your `mkdocs.yaml`
+Alternatively, you can manually add the following configuration to your `mkdocs.yml`
 file:
 
 ```yaml
@@ -593,6 +593,18 @@ only adds `font: false` when the `font` property is not already configured.
 
 :::
 
+#### Using techdocs-cli in CI/CD
+
+When generating TechDocs sites in CI/CD workflows using `techdocs-cli`, you can
+use the `--disableExternalFonts` flag:
+
+```bash
+techdocs-cli generate --disableExternalFonts
+```
+
+This will automatically patch the `mkdocs.yml` file during the generation
+process, just like the `app-config.yaml` option does for local generation.
+
 ## How to enable iframes in TechDocs
 
 TechDocs uses the [DOMPurify](https://github.com/cure53/DOMPurify) library to