Mount video card into Jellyfin container

To permit Hardware Acceleration.

See [here](https://stackoverflow.com/a/59291859),
[here](https://jellyfin.org/docs/general/administration/hardware-acceleration/),
and
[here](https://old.reddit.com/r/jellyfin/comments/i2r4h9/how_to_enable_hardware_acceleration_with_docker/).

charts/jellyfin/templates/deployment.yaml

@@ -45,6 +45,8 @@ spec:
               name: jf-config
             - mountPath: /cache
               name: jf-cache
+            - mountPath: /dev/video0
+              name: dev-video0
       tolerations:
         - key: face
           operator: Equal
@@ -63,6 +65,9 @@ spec:
         - name: jf-cache
           persistentVolumeClaim:
             claimName: jf-cache-pvc
+        - name: dev-video0
+          hostPath:
+            path: /dev/fb0
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}

charts/jellyfin/values.yaml

@@ -31,6 +31,7 @@ podSecurityContext: {}
 securityContext:
   runAsUser: 1000
   fsGroup: 1000
+  privileged: true
   # capabilities:
   #   drop:
   #   - ALL