Add global branding config field to control cookie banner default

Introduces a BRANDING boolean config (default true) propagated through
the standard config pipeline. Cookie banners now initialize their
show_branding column from this config instead of hardcoding true.

Signed-off-by: Émile Ré <emile@getprobo.com>

contrib/helm/charts/probo/templates/deployment.yaml

@@ -66,6 +66,8 @@ spec:
                   key: encryption-key
             - name: CHROME_DP_ADDR
               value: {{ include "probo.chrome.addr" . | quote }}
+            - name: BRANDING
+              value: {{ .Values.probo.branding | quote }}
             # API Configuration
             - name: API_ADDR
               value: ":{{ .Values.service.port }}"

contrib/helm/charts/probo/values.yaml

@@ -196,6 +196,9 @@ probo:
       - "https://probo.example.com"
       - "http://probo.example.com"
 
+  # Show Probo branding on cookie banners
+  branding: true
+
   # Extra HTTP headers to add to responses
   extraHeaderFields: {}