feat(core): Provide an Apache Camel K stack eclipse-che/che#14831

this is a first iteration with minimal set of plugins (Camel K,
Kubernetes, xml) and a pointer to Camel K official examples

Signed-off-by: Aurélien Pupier <apupier@redhat.com>

devfiles/apache-camel-k/devfile.yaml

@@ -0,0 +1,22 @@
+---
+apiVersion: 1.0.0
+metadata:
+  generateName: apache-camel-k-
+projects:
+  -
+    name: camel-k-examples
+    source:
+      type: git
+      location: "https://github.com/apache/camel-k"
+      sparseCheckoutDir: "examples"
+components:
+  -
+    type: chePlugin
+    id: redhat/vscode-xml/latest
+  -
+    type: chePlugin
+    id: redhat/vscode-apache-camel/latest
+  -
+    alias: vscode-camelk
+    type: chePlugin
+    id: redhat/vscode-camelk/latest

devfiles/apache-camel-k/meta.yaml

@@ -0,0 +1,6 @@
+---
+displayName: Apache Camel K
+description: Stack with environment ready to develop Integration projects with Apache Camel K
+tags: ["Apache Camel K", "Red Hat Fuse", "Integration"]
+icon: https://www.eclipse.org/che/images/logo-eclipseche.svg
+globalMemoryLimit: 2930Mi