doc/sms-forward: update notification

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📨 SMS Forwarding from 7277

Received this message by MikroTik from 7277:

On oct/17/2022 13:44:10 GMT -0 type class-0:
Welcome to our network!
---- ✂️ ----

3 files changed, 1 insertions, 37 deletions

diff --git a/doc/sms-forward.d/notification.avif b/doc/sms-forward.d/notification.avif
new file mode 100644
index 0000000..e76f04c
--- /dev/null
+++ b/doc/sms-forward.d/notification.avif
diff --git a/doc/sms-forward.d/notification.svg b/doc/sms-forward.d/notification.svg
deleted file mode 100644
index 4b94850..0000000
--- a/doc/sms-forward.d/notification.svg
+++ /dev/null
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-</tspan><tspan id="tspan2206" x="180" y="25.85">
-</tspan><tspan id="tspan2208" x="180" y="40.85">Received this message by MikroTik from 7277:
-</tspan><tspan id="tspan2210" x="180" y="55.85">
-</tspan><tspan id="tspan2212" x="180" y="70.85">On Jun/12/2021 13:44:10 GMT -0 type class-0:
-</tspan><tspan id="tspan2214" x="180" y="85.85">Welcome to our network!</tspan></text>
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diff --git a/doc/sms-forward.md b/doc/sms-forward.md
index f75b78f..09dd36a 100644
--- a/doc/sms-forward.md
+++ b/doc/sms-forward.md
@@ -15,7 +15,7 @@ A broadband interface with SMS support is required.
 
 ### Sample notification
 
-![sms-forward notification](sms-forward.d/notification.svg)
+![sms-forward notification](sms-forward.d/notification.avif)
 
 Requirements and installation
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