[roll third_party/pigweed] docs: Add editor support doc

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/110261

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 2278b06a38f49b7..0482a529f09500d
Roller-URL: https://ci.chromium.org/b/8773715109800624401
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ief096dc7432b33b7856227c710fa4c4037a0868a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/163097
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2278b06..0482a52 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2278b06a38f49b752e8c560be2ce8caad389bd88
+Subproject commit 0482a529f09500dbba08c64a92a1531c44b83380