Update .gitignore

.gitignore

@@ -1,18 +1,49 @@
-*.log
-wp-config.php
-wp-content/advanced-cache.php
-wp-content/backup-db/
-wp-content/backups/
-wp-content/blogs.dir/
-wp-content/cache/
-wp-content/upgrade/
-wp-content/uploads/
-wp-content/wp-cache-config.php
-wp-content/plugins/hello.php
-
-/.htaccess
-/license.txt
-/readme.html
-/sitemap.xml
-/sitemap.xml.gz
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
 
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# =========================
+# Operating System Files
+# =========================
+
+# OSX
+# =========================
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+*.bat
+*.py