feat: migrate node-feature-discovery and inteldeviceplugins-system to platform project (#48)

- Add node-feature-discovery and inteldeviceplugins-system to platform project
- Convert intel-nfd-rules from local Helm chart to static NodeFeatureRule manifests
- Add required Helm repositories (NFD OCI registry and Intel charts)
- Create base configurations with Helm charts and overlay structures
- Update platform ApplicationSet and project permissions

Reviewed-on: #48

apps/base/inteldeviceplugins-system/values-gpu-plugin.yaml

@@ -0,0 +1,13 @@
+---
+name: intel-gpu-device-plugin
+sharedDevNum: 4
+logLevel: 2
+enableMonitoring: true
+allocationPolicy: "none"
+image:
+  hub: intel
+  tag: ""  # Use latest from chart
+nodeSelector:
+  intel.feature.node.kubernetes.io/gpu: 'true'
+nodeFeatureRule: true
+tolerations: []