Setup yaml lint and local render target

* config
* make target
* github action
* render target

Signed-off-by: Yury Tsarev <[email protected]>

.github/workflows/yamllint.yaml

@@ -0,0 +1,15 @@
+name: yamllint
+on: [pull_request]
+jobs:
+  yamllint:
+    name: runner / yamllint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: yamllint
+        uses: reviewdog/[email protected]
+        with:
+          reporter: github-pr-review
+          filter_mode: nofilter
+          yamllint_flags: 'apis/'
+          fail_on_error: true

.yamllint

@@ -0,0 +1,5 @@
+extends: default
+
+rules:
+  line-length: disable
+  document-start: disable

Makefile

@@ -67,4 +67,12 @@ uptest: $(UPTEST) $(KUBECTL) $(KUTTL)
 # - UPTEST_CLOUD_CREDENTIALS, cloud credentials for the provider being tested, e.g. export UPTEST_CLOUD_CREDENTIALS=$(cat ~/.aws/credentials)
 e2e: build controlplane.up local.xpkg.deploy.configuration.$(PROJECT_NAME) uptest
 
-.PHONY: uptest e2e
+render:
+	crossplane beta render examples/app-claim.yaml apis/composition.yaml examples/functions.yaml -r
+
+yamllint:
+	@$(INFO) running yamllint
+	@yamllint ./apis || $(FAIL)
+	@$(OK) running yamllint
+
+.PHONY: uptest e2e render yamllint

examples/functions.yaml

@@ -0,0 +1,6 @@
+apiVersion: pkg.crossplane.io/v1beta1
+kind: Function
+metadata:
+  name: upbound-function-patch-and-transform
+spec:
+  package: xpkg.upbound.io/upbound/function-patch-and-transform:v0.2.1