docs/ci: chain-*-sdk references (renamed SDK)

Signed-off-by: flemming-it <sf@flemming.it>

.forgejo/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
           git fetch --depth=1 origin "$GITHUB_SHA"
           git checkout -q FETCH_HEAD
 
-      # The fai-module-sdk dependency is a git dep against a repo
+      # The chain-module-sdk dependency is a git dep against a repo
       # that lives in another Forgejo org. The repo-scoped
       # GITHUB_TOKEN cannot read it, and the Forgejo instance has
       # REQUIRE_SIGNIN_VIEW=true so anonymous read is also denied.

.forgejo/workflows/sign.yml

@@ -56,7 +56,7 @@ jobs:
           git fetch --depth=1 origin "$GITHUB_SHA"
           git checkout -q FETCH_HEAD
 
-      # The fai-module-sdk dependency lives in another Forgejo org
+      # The chain-module-sdk dependency lives in another Forgejo org
       # behind REQUIRE_SIGNIN_VIEW. MODULE_SDK_PAT (org-level
       # secret, read-only on fai/module-sdk) authenticates cargo's
       # git fetch via insteadOf.

README.md

@@ -15,7 +15,7 @@ cargo test                 # host-side unit + integration tests
 fai test .                 # load the wasm component in the runtime sandbox
 ```
 
-## Authoring with fai-module-sdk
+## Authoring with chain-module-sdk
 
 The module body is one decorated function:
 
@@ -29,12 +29,12 @@ pub fn invoke(_ctx: Context, inputs: Inputs) -> Result<Outputs, ModuleError> {
 
 The macro hides the wit_bindgen call, the Guest impl, the
 Payload variant matching, and the `wit_bindgen::export!`
-invocation. See `fai-module-sdk` documentation for the full
+invocation. See `chain-module-sdk` documentation for the full
 surface.
 
 ## SDK source
 
-The Cargo.toml git-deps `fai-module-sdk` from
+The Cargo.toml git-deps `chain-module-sdk` from
 `https://git.flemming.ws/fai/module-sdk.git`. If your environment requires
 authentication for that host (e.g. Forgejo with
 `REQUIRE_SIGNIN_VIEW=true`), set up `git config insteadOf` with