Add .gitignore and enhance LDATE.

.gitignore

@@ -0,0 +1,31 @@
+### macOS template
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Backups
+*~
+*.bak

LDATE

@@ -1,4 +1,4 @@
 #!/bin/sh
 
 set -x
-date '+%Y-%m-%d %H:%M:%S %z %Z' "$@"
+date '+%Y-%m-%d %H:%M:%S.%N %z %Z' "$@"