diff --git a/src/praesentation/.~lock.Praesentation_Chat-Applikation.pptx# b/src/praesentation/.~lock.Praesentation_Chat-Applikation.pptx#
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+++ b/src/praesentation/.~lock.Praesentation_Chat-Applikation.pptx#
@@ -0,0 +1 @@
+,eichehome,laptop.fritz.box,17.05.2021 12:44,file:///home/eichehome/.config/libreoffice/4;
\ No newline at end of file
diff --git a/src/praesentation/Praesentation_Chat-Applikation.odp b/src/praesentation/Praesentation_Chat-Applikation.odp
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diff --git a/src/praesentation/Praesentation_Chat-Applikation.pptx b/src/praesentation/Praesentation_Chat-Applikation.pptx
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