feat: basic functionality implemented

- added Core CRD to manage DB migrations & configuration, PostgREST and
  GoTrue (auth)
- added APIGateway CRD to manage Envoy proxy
- added Dashboard CRD to manage (so far) pg-meta and (soon) studio
  deployments
- implemented basic Envoy control plane based on K8s watcher

test/e2e/e2e_test.go

@@ -234,6 +234,44 @@ var _ = Describe("Manager", Ordered, func() {
 			))
 		})
 
+		It("should provisioned cert-manager", func() {
+			By("validating that cert-manager has the certificate Secret")
+			verifyCertManager := func(g Gomega) {
+				cmd := exec.Command("kubectl", "get", "secrets", "webhook-server-cert", "-n", namespace)
+				_, err := utils.Run(cmd)
+				g.Expect(err).NotTo(HaveOccurred())
+			}
+			Eventually(verifyCertManager).Should(Succeed())
+		})
+
+		It("should have CA injection for mutating webhooks", func() {
+			By("checking CA injection for mutating webhooks")
+			verifyCAInjection := func(g Gomega) {
+				cmd := exec.Command("kubectl", "get",
+					"mutatingwebhookconfigurations.admissionregistration.k8s.io",
+					"supabase-operator-mutating-webhook-configuration",
+					"-o", "go-template={{ range .webhooks }}{{ .clientConfig.caBundle }}{{ end }}")
+				mwhOutput, err := utils.Run(cmd)
+				g.Expect(err).NotTo(HaveOccurred())
+				g.Expect(len(mwhOutput)).To(BeNumerically(">", 10))
+			}
+			Eventually(verifyCAInjection).Should(Succeed())
+		})
+
+		It("should have CA injection for validating webhooks", func() {
+			By("checking CA injection for validating webhooks")
+			verifyCAInjection := func(g Gomega) {
+				cmd := exec.Command("kubectl", "get",
+					"validatingwebhookconfigurations.admissionregistration.k8s.io",
+					"supabase-operator-validating-webhook-configuration",
+					"-o", "go-template={{ range .webhooks }}{{ .clientConfig.caBundle }}{{ end }}")
+				vwhOutput, err := utils.Run(cmd)
+				g.Expect(err).NotTo(HaveOccurred())
+				g.Expect(len(vwhOutput)).To(BeNumerically(">", 10))
+			}
+			Eventually(verifyCAInjection).Should(Succeed())
+		})
+
 		// +kubebuilder:scaffold:e2e-webhooks-checks
 
 		// TODO: Customize the e2e test suite with scenarios specific to your project.