Support Tier 2 *-unknown-linux-ohos in CI

Author: Nugine

.github/workflows/main.yml

@@ -97,6 +97,9 @@ jobs:
           - x86_64-unknown-netbsd
           - x86_64-unknown-openbsd
           - x86_64-unknown-redox
+          - aarch64-unknown-linux-ohos
+          - armv7-unknown-linux-ohos
+          - x86_64-unknown-linux-ohos
     steps:
     - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@nightly

README.md

@@ -62,6 +62,7 @@ feature flag.
 * NetBSD
 * Redox
 * Solaris
+* [OpenHarmony](https://doc.rust-lang.org/nightly/rustc/platform-support/openharmony.html)
 
 # Minimum Supported Rust Version (MSRV)