Update .gitattributes

Author: JimBobSquarePants

.gitattributes

@@ -87,15 +87,13 @@
 *.eot               binary
 *.exe               binary
 *.otf               binary
-*.pbm               binary
 *.pdf               binary
 *.ppt               binary
 *.pptx              binary
 *.pvr               binary
 *.snk               binary
 *.ttc               binary
 *.ttf               binary
-*.wbmp              binary
 *.woff              binary
 *.woff2             binary
 *.xls               binary
@@ -126,3 +124,9 @@
 *.dds               filter=lfs diff=lfs merge=lfs -text
 *.ktx               filter=lfs diff=lfs merge=lfs -text
 *.ktx2              filter=lfs diff=lfs merge=lfs -text
+*.pam               filter=lfs diff=lfs merge=lfs -text
+*.pbm               filter=lfs diff=lfs merge=lfs -text
+*.pgm               filter=lfs diff=lfs merge=lfs -text
+*.ppm               filter=lfs diff=lfs merge=lfs -text
+*.pnm               filter=lfs diff=lfs merge=lfs -text
+*.wbmp              filter=lfs diff=lfs merge=lfs -text