fix(sip-jibri): check SYS_ADMIN and /dev/shm before starting

sip-jibri/rootfs/etc/cont-init.d/10-config

@@ -1,5 +1,17 @@
 #!/usr/bin/with-contenv bash
 
+# Check if the SYS_ADMIN cap is set
+if ! capsh --has-p=cap_sys_admin; then
+    echo "Required capability SYS_ADMIN is missing"
+    exit 1
+fi
+
+# Check if /dev/shm is large enough (2GB at least)
+if ! shm-check; then
+    echo "/dev/shm must be at least 2GB in size"
+    exit 1
+fi
+
 if [[ -z $SIP_JIBRI_XMPP_PASSWORD || -z $JIBRI_XMPP_PASSWORD ]]; then
     echo 'FATAL ERROR: Sip-Jibri XMPP password and auth password must be set'
     exit 1