refactor(backend): bake aqua registry from merged yaml

Author: risu729

.gitattributes

@@ -1,2 +1,3 @@
 zipsign.pub binary
 aqua-registry/ linguist-vendored
+crates/aqua-registry/aqua-registry/** linguist-vendored

.github/workflows/vendored-file-warning.yml

@@ -3,7 +3,7 @@ name: vendored-file-warning
 on:
   pull_request_target:
     paths:
-      - "crates/aqua-registry/aqua-registry/pkgs/**"
+      - "crates/aqua-registry/aqua-registry/registry.yaml"
 
 permissions: {}
 
@@ -23,7 +23,7 @@ jobs:
           if [ "$existing" = "0" ]; then
             gh pr comment "${{ github.event.pull_request.number }}" \
               -R "${{ github.repository }}" \
-              --body "The aqua registry YAML files under \`crates/aqua-registry/\` are vendored from the upstream [aqua-registry](https://github.com/aquaproj/aqua-registry) and should not be modified directly in this repo. Please submit the package definitions to the upstream aqua-registry instead, and they will be picked up here when we next update the vendored copy.
+              --body "The aqua registry YAML file under \`crates/aqua-registry/\` is vendored from the upstream [aqua-registry](https://github.com/aquaproj/aqua-registry) and should not be modified directly in this repo. Please submit package definition changes to the upstream aqua-registry instead, and they will be picked up here when we next update the vendored copy.
 
           The \`registry/*.toml\` files are fine to add here, but the backend should reference the package after it's been accepted upstream."
           fi

crates/aqua-registry/Cargo.toml

@@ -15,7 +15,8 @@ include = [
   "/README.md",
   "/build.rs",
   "/src/**/*.rs",
-  "/aqua-registry/pkgs/**/registry.yaml",
+  "/aqua-registry/LICENSE",
+  "/aqua-registry/registry.yaml",
 ]
 
 [package.metadata.cargo-machete]