Initial commit: Complete NodeJS-native setup

- Migrated from Python pre-commit to NodeJS-native solution
- Reorganized documentation structure
- Set up Husky + lint-staged for efficient pre-commit hooks
- Fixed Dockerfile healthcheck issue
- Added comprehensive documentation index

k8s/network-policy.yaml

@@ -0,0 +1,68 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: frontend-policy
+  labels:
+    app: rxminder
+    component: frontend
+spec:
+  podSelector:
+    matchLabels:
+      component: frontend
+  policyTypes:
+    - Ingress
+    - Egress
+  ingress:
+    - from:
+        - podSelector:
+            matchLabels:
+              component: frontend
+      ports:
+        - protocol: TCP
+          port: 80
+  egress:
+    - to:
+        - podSelector:
+            matchLabels:
+              component: database
+      ports:
+        - protocol: TCP
+          port: 5984
+    - to:
+        - podSelector:
+            matchLabels:
+              component: frontend
+      ports:
+        - protocol: TCP
+          port: 80
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: database-policy
+  labels:
+    app: rxminder
+    component: database
+spec:
+  podSelector:
+    matchLabels:
+      component: database
+  policyTypes:
+    - Ingress
+    - Egress
+  ingress:
+    - from:
+        - podSelector:
+            matchLabels:
+              component: frontend
+      ports:
+        - protocol: TCP
+          port: 5984
+  egress:
+    - to:
+        - podSelector:
+            matchLabels:
+              component: database
+      ports:
+        - protocol: TCP
+          port: 5984