Update .gitignore

.gitignore

@@ -18,7 +18,7 @@ $RECYCLE.BIN/
 *.lnk
 
 # =========================
-# Operating System Files 
+# Operating System Files
 # =========================
 
 # OSX
@@ -41,3 +41,17 @@ $RECYCLE.BIN/
 Network Trash Folder
 Temporary Items
 .apdisk
+
+# =========================
+# Dymola Files
+# =========================
+
+buildlog.txt
+dsfinal.txt
+dsin.txt
+dslog.txt
+dsmodelext1.c
+dsmodel.c
+dymosim.exe
+dymosim.exp
+dymosim.lib