Update docs to say that a source file should only be in a single `swift_*` target, and a `swift_overlay` should only be referenced by a single other target's `aspect_hints`#1439

brentleyjones merged 1 commit intomasterbazelbuild/rules_swift:masterfrom

bj/update-docs-to-say-that-a-source-file-should-only-be-in-a-single-swift_-target-and-a-swift_overlay-should-only-be-referenced-by-a-single-other-target-s-aspect_hintsbazelbuild/rules_swift:bj/update-docs-to-say-that-a-source-file-should-only-be-in-a-single-swift_-target-and-a-swift_overlay-should-only-be-referenced-by-a-single-other-target-s-aspect_hintsCopy head branch name to clipboard