feat(chart): expose Odoo runtime knobs (B-1) — version 0.1.11

- Adds odoo.{workers,limitTime*,limitMemory*,maxCronThreads,serverWideModules,dbFilter,extraArgs} knobs
- New instance.odooArgs helper renders flags only when set
- Empty odoo block byte-identical to previous chart output

Chart.yaml

@@ -5,7 +5,7 @@ description: |
   Variation between instances is expressed via values.yaml only.
   No chart variants. No string-templating in Tower.
 type: application
-version: 0.1.10
+version: 0.1.11
 appVersion: "1.0"
 keywords:
   - odoo