feat: Add APP_NAME env support for branding and deployment

- Make app name configurable via APP_NAME env variable - Update UI,
HTML, Docker, scripts, and k8s to use APP_NAME - Add process-html.sh for
template substitution - Document APP_NAME usage in
docs/APP_NAME_CONFIGURATION.md - Update Dockerfile, compose, and scripts
for dynamic naming - Add index.html.template for environment-based
branding

docker/docker-compose.yaml

@@ -5,6 +5,8 @@ services:
       context: ..
       dockerfile: docker/Dockerfile
       args:
+        # Application Configuration
+        - APP_NAME=${APP_NAME:-RxMinder}
         # CouchDB Configuration
         - VITE_COUCHDB_URL=${VITE_COUCHDB_URL:-http://couchdb:5984}
         - VITE_COUCHDB_USER=${VITE_COUCHDB_USER:-admin}
@@ -36,6 +38,7 @@ services:
     labels:
       - 'monitoring=true'
       - 'service=frontend'
+      - 'app=${APP_NAME:-meds}'
 
   # CouchDB service
   couchdb:
@@ -56,6 +59,7 @@ services:
     labels:
       - 'monitoring=true'
       - 'service=couchdb'
+      - 'app=${APP_NAME:-meds}'
 
   # Redis service (commented out as per requirements)
   # redis: