pw_log_string: Add OWNERS file
pw_log_string: Add OWNERS file

Change-Id: Ifaa00b9f62cf6a136a277d087b35d4d3c53f0084
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/83682
Pigweed-Auto-Submit: Rob Mohr <d07614a8a0b466db08f68224f87d738b0f9615cf@google.com>
Reviewed-by: Armando Montanez <97ef6fdb231c129ac8827d9f0c4106bfbf57f74f@google.com>
Commit-Queue: Auto-Submit <14637eda5603879df170705285bf30f5996692f0@pigweed.google.com.iam.gserviceaccount.com>

google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed