Update .gitattributes

Declare CMake scripts, Windows resource scripts and manifests,
.po translation files and Qt XML files as text

.gitattributes

@@ -3,12 +3,28 @@
 
 # Explicitly declare text files you want to always be normalized and converted
 # to native line endings on checkout.
+#  Code
 *.c text
 *.cc text
 *.cpp text
 *.h text
 *.hpp text
+
+#  CMake scripts
+CMakeLists.txt text
+*.cmake text
+
+#  Windows resource scripts and manifests
 *.rc text
+*.manifest text
+
+#  Translation files
+*.po text
+
+#  Qt XML files
+*.ui text
+*.ts text
+*.qrc text
 
 
 # Declare files that will always have CRLF line endings on checkout.