Fixed typo and added some fileendings which older versions generate

Atmelfan · Atmelfan · commit 71e1ff1213d2 · 2021-05-04T19:54:51.000+02:00
diff --git a/AltiumDesigner.gitignore b/AltiumDesigner.gitignore
@@ -12,7 +12,9 @@ Project\ Outputs*
 # Misc files generated by altium
 debug.log
 Status\ Report.txt
-*PcbDoc..htm
+*.PcbDoc.htm
+*.SchDocPreview
+*.PcbDocPreview
 
 # Lock files sometimes left behind
 .~lock.*
