feat(tekton): Day 2 - Deploy Tekton Operator and components

- Downloaded Tekton Operator v0.79.1 release manifest
- Created TektonConfig CR enabling all components in innoventions namespace
  - Pipelines v1.13.0 with OCI bundles and custom tasks
  - Triggers v0.36.0 with stable API fields
  - Dashboard v0.69.0 with read-write access
  - Addon components (cluster tasks, templates)
  - Pruner configured (keep 100, daily at 2 AM)
- Created Dashboard HTTPRoute for mission-space.local.mk-labs.cloud
  - Certificate via letsencrypt-prod ClusterIssuer
  - Routes via fastpass-gateway (Cilium Gateway API)
  - Backend: tekton-dashboard service port 9097
- Created ArgoCD Application manifest (wave 8)
  - Automated sync with prune/selfHeal
  - ServerSideApply for CRD compatibility
  - Ignore differences for operator-managed resources

Directory: cluster/platform/tekton/ (functional naming)
Namespace: innoventions (thematic naming)
DNS: mission-space.local.mk-labs.cloud

Ready for deployment to fastpass cluster.

cluster/platform/tekton/application.yaml

@@ -0,0 +1,49 @@
+---
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: tekton-platform
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "8"
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+  
+  source:
+    repoURL: https://github.com/mkevre/homelab.git
+    targetRevision: main
+    path: cluster/platform/tekton
+  
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: tekton-operator
+  
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+    syncOptions:
+      - CreateNamespace=true
+      - ServerSideApply=true
+      - RespectIgnoreDifferences=true
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+  
+  ignoreDifferences:
+    # Ignore tekton-operator managed fields
+    - group: apps
+      kind: Deployment
+      jsonPointers:
+        - /spec/replicas
+    - group: ""
+      kind: Service
+      jsonPointers:
+        - /spec/clusterIP
+        - /spec/clusterIPs