feat: Add make artifacthub-pkg.yml target

Signed-off-by: Víctor Cuadrado Juan <vcuadradojuan@suse.de>

Makefile

@@ -1,11 +1,16 @@
 SOURCE_FILES := $(shell test -e src/ && find src -type f)
+VERSION := $(shell sed --posix -n 's,^version = \"\(.*\)\",\1,p' Cargo.toml)
 
 policy.wasm: $(SOURCE_FILES) Cargo.*
 	cargo build --target=wasm32-wasi --release
 	cp target/wasm32-wasi/release/*.wasm policy.wasm
 
-annotated-policy.wasm: policy.wasm metadata.yml
-	kwctl annotate -m metadata.yml -o annotated-policy.wasm policy.wasm
+artifacthub-pkg.yml: metadata.yml Cargo.toml
+	kwctl scaffold artifacthub --metadata-path metadata.yml --version $(VERSION) \
+		--output artifacthub-pkg.yml
+
+annotated-policy.wasm: policy.wasm metadata.yml artifacthub-pkg.yml
+	kwctl annotate -m metadata.yml -u README.md -o annotated-policy.wasm policy.wasm
 
 .PHONY: fmt
 fmt:
@@ -26,4 +31,4 @@ test: fmt lint
 .PHONY: clean
 clean:
 	cargo clean
-	rm -f policy.wasm annotated-policy.wasm
+	rm -f policy.wasm annotated-policy.wasm artifacthub-pkg.yml