feat: Add device Juniper EX4650-48Y-AFO (#2029)

Add the Juniper EX4650-48Y-AFO switch including elevation-images.

Signed-off-by: andreas.seidl <andreas.seidl@r-kom.de>

device-types/Juniper/EX4650-48Y-AFO.yml

@@ -0,0 +1,140 @@
+---
+manufacturer: Juniper
+model: EX4650-48Y-AF0
+slug: juniper-ex4650-48y-afo
+part_number: EX4650-48Y-AFO
+u_height: 1
+weight: 10.75
+weight_unit: kg
+airflow: front-to-rear
+front_image: true
+rear_image: true
+is_full_depth: true
+comments: '[Juniper EX4650 Data Sheet](https://www.juniper.net/us/en/products/switches/ex-series/ex4650-ethernet-switch-datasheet.html)'
+console-ports:
+  - name: Console
+    type: rj-45
+module-bays:
+  - name: PSU 0
+    position: '0'
+  - name: PSU 1
+    position: '1'
+interfaces:
+  - name: c0
+    type: 1000base-t
+    mgmt_only: true
+  - name: c1
+    type: 1000base-t
+    mgmt_only: true
+  - name: et-0/0/0
+    type: 25gbase-x-sfp28
+  - name: et-0/0/1
+    type: 25gbase-x-sfp28
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