add documentation and the argocd application file

task-app-application.yaml

+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: task-app
+  namespace: argocd
+spec:
+  project: default
+  source:
+    repoURL: https://gitlab.stratpoint.dev/seanfredrickcruz/task-app-management.git  # Your GitLab repository
+    targetRevision: HEAD
+    path: task-app  # Path to your Helm chart
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: task-app-management
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+
+---
+# ConfigMap for frontend configuration
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: frontend-config
+  namespace: task-app
+data:
+  REACT_APP_API_URL: "http://localhost:3001/api"  # Backend API URL
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