refactor: rename chart to charts [ci skip]

it is common practice to name the folder charts even though there is only one helm chart

deploy/charts/wsj-standup/values.yaml

@@ -0,0 +1,28 @@
+image:
+  repository: registry.mareshq.com/skaut/wsj/standup-discord-notification
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+  pullSecretBase64: null
+
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  create: true
+  annotations: {}
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+
+resources:
+  limits:
+    cpu: 100m
+    memory: 256Mi
+  requests:
+    cpu: 50m
+    memory: 128Mi
+
+app:
+  WEBHOOK_URL: null
+  SENTRY_DSN: null
+  NODE_ENV: prod