add information and extra option to resolve #457

examples/DEMO-TUDaBeamer2023-en.tex

@@ -96,6 +96,8 @@ \section{Documentation}
 \begin{itemize}
 \item The commands shown on previous slide support \code{\textbackslash{}height}/\code{\textbackslash{}width} to adjust the size to be used for graphic scaling.
 \item All have a starred variant (e.\,g. \code{\textbackslash{}sublogo*\{\textbackslash{}includegraphics\{example-image\}\}}). This will automaticcaly scale/clip the logo/image to desired size.
+
+To align the sublogo together with the visible part of the TUDa logo there also exists the possibility to add a second star behind the mandatory argument. This will move the logo to the left to match. This variant is only available for the sublogo.
 \end{itemize}
 \end{frame}
 

tex/beamerinnerthemeTUDa2023.sty

@@ -139,8 +139,14 @@
 	\__ptxcd_setup_logo_box:nnn {#1} {partnerlogo} {#2}
 }
 
-\NewDocumentCommand{\sublogo}{sm}{
+\NewDocumentCommand{\sublogo}{sms}{
 	\__ptxcd_setup_logo_box:nnn {#1} {sublogo} {#2}
+	\IfBooleanT{#3}{
+		\hbox_gset:Nn \g__ptxcd_sublogo_box {
+			\hbox_unpack_drop:N \g__ptxcd_sublogo_box
+			\hskip.6\l__ptxcd_sublogo_ht_dim
+		}
+	}
 }
 
 % section page