Update .gitattributes

Author: sc0ttkclark

.gitattributes

@@ -1,33 +1,64 @@
 # Auto detect text files and perform LF normalization
 * text=auto
 
-# Custom for Visual Studio
-*.cs     diff=csharp
-*.sln    merge=union
-*.csproj merge=union
-*.vbproj merge=union
-*.fsproj merge=union
-*.dbproj merge=union
+*.css linguist-generated=true
+*.min.css linguist-generated=true
+*.min.js linguist-generated=true
+*.snap linguist-generated=true
+tests/_support/_generated/* linguist-generated=true
 
-# Standard to msysgit
-*.doc	 diff=astextplain
-*.DOC	 diff=astextplain
-*.docx diff=astextplain
-*.DOCX diff=astextplain
-*.dot  diff=astextplain
-*.DOT  diff=astextplain
-*.pdf  diff=astextplain
-*.PDF	 diff=astextplain
-*.rtf	 diff=astextplain
-*.RTF	 diff=astextplain
+# Export ignore handling
 
-# Ignore
+# Directories
+/.github export-ignore
+/.wordpress-org export-ignore
+/bin export-ignore
+/dev export-ignore
+/docs export-ignore
 /tests export-ignore
+/ui/js/blocks/src export-ignore
+/ui/js/dfv/pods-dfv.min.js.map export-ignore
+/ui/js/dfv/src export-ignore
+/ui/styles/src export-ignore
+
+# Dot-files
+.babelrc export-ignore
+.distignore export-ignore
+.editorconfig export-ignore
+.env export-ignore
+.env.example export-ignore
+.env.testing.slic export-ignore
+.eslintignore export-ignore
+.eslintrc.json export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+.jshintrc export-ignore
+.nvmrc export-ignore
+.phpstorm.meta.php export-ignore
+.scrutinizer.yml export-ignore
+.travis.yml export-ignore
+
+# Other files
+babel.config.js export-ignore
+CODE_OF_CONDUCT.md export-ignore
+codeception.dist.yml export-ignore
+codeception.example.yml export-ignore
+codeception.slic.yml export-ignore
+CODEOWNERS export-ignore
 composer.json export-ignore
+CONTRIBUTING.md export-ignore
+Gruntfile.js export-ignore
+jest-setup-wordpress-globals.js export-ignore
+jest.config.json export-ignore
+jest.config.js export-ignore
+package-lock.json export-ignore
 package.json export-ignore
+phpcs.xml export-ignore
 phpcs.xml.dist export-ignore
 phpunit.xml.dist export-ignore
-CONTRIBUTING.md export-ignore
-/.github export-ignore
-/.wordpress-org export-ignore
-.distignore export-ignore
+README.md export-ignore
+rollup.config.js export-ignore
+TESTS.md export-ignore
+webpack.common.js export-ignore
+webpack.dev.js export-ignore
+webpack.prod.js export-ignore