Fixing missing API doc (#1403)

fixed by adding
```
[markup]
	[markup.goldmark]
        [markup.goldmark.renderer]
            unsafe = true
```

otherwise hugo removes raw html (as the iframes) + links points to
concrete html files

docs/config.toml

@@ -7,7 +7,7 @@
 # http://www.eclipse.org/legal/epl-v10.html
 #
 
-baseurl = "https://www.eclipse.dev/hawkbit/"
+baseurl = "https://eclipse.dev/hawkbit/"
 languageCode = "en-us"
 title = "Eclipse hawkBit"
 theme = "hugo-material-docs"
@@ -18,6 +18,8 @@ canonifyurls = false
 	[markup.goldmark]
 		[markup.goldmark.extensions]
 			typographer = true
+        [markup.goldmark.renderer]
+            unsafe = true
 
 [markup.highlight]
 	codeFences = false