Prepare repo for open source

.gitattributes

@@ -0,0 +1,18 @@
+* text=auto eol=lf
+
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.webp binary
+*.webm binary
+*.mp4 binary
+*.pdf binary
+*.zip binary
+*.tgz binary
+*.gz binary
+*.woff binary
+*.woff2 binary
+*.ttf binary
+*.otf binary