Adds a ZTE Device Type: ZXR10 5950-28TD-L (#3714)

* Adds 'zte-zxr10-5950-28td-l.front.jpg'

* Adds 'ZXR10-5950-28TD-L.yaml'

* Adds missing Block Interface Slot (Module Bay) on 'ZXR10-5950-28PD-L.yaml'

* Adds '59-8XG-SF.jpg'

* Adds '59-8XG-SF.yaml'

device-types/ZTE/ZXR10-5950-28PD-L.yaml

@@ -25,6 +25,9 @@ module-bays:
   - name: Fan 1
     position: '1'
     description: Fan module slot 1
+  - name: Block interface card 1
+    position: '1'
+    description: Expansion Interface card slot 1
 interfaces:
   - name: mng
     type: 1000base-t

device-types/ZTE/ZXR10-5950-28TD-L.yaml

@@ -0,0 +1,87 @@
+---
+manufacturer: ZTE
+model: ZXR10-5950-28TD-L
+slug: zte-zxr10-5950-28td-l
+part_number: ZXR10 5950-28TD-L / zxr10-5950-28td-l
+u_height: 1
+weight: 6.2
+weight_unit: kg
+is_full_depth: true
+airflow: right-to-left
+front_image: true
+comments: |
+  [ZTE ZXR10 5950-L Series Switch DataSheet](https://usermanual.wiki/m/5b37c0e8f9c877c32e1058b58760e41ae1581d78d17ac8d43ddc6561ef7953b5.pdf)
+  More info also at [ZXR10 5950-L Series - Full Gigabit Intelligent Routing Switches Datasheet](https://www.etd.fi/downloads/products/0/00000109/DS_ZXR10_5950-L_Series_Switch.pdf)
+console-ports:
+  - name: console
+    type: rj-45
+module-bays:
+  - name: PWR 1
+    position: '1'
+    description: Power Supply Unit 1 with Fan
+  - name: PWR 2
+    position: '2'
+    description: Power Supply Unit 2 with Fan
+  - name: Block interface card 1
+    position: '1'
+    description: Expansion Interface card slot 1
+interfaces:
+  - name: mng
+    type: 1000base-t
+    mgmt_only: true
+  - name: gei_0/1/1
+    type: 1000base-t
+  - name: gei_0/1/2
+    type: 1000base-t
+  - name: gei_0/1/3
+    type: 1000base-t
+  - name: gei_0/1/4
+    type: 1000base-t
+  - name: gei_0/1/5
+    type: 1000base-t
+  - name: gei_0/1/6
+    type: 1000base-t
+  - name: gei_0/1/7
+    type: 1000base-t
+  - name: gei_0/1/8
+    type: 1000base-t
+  - name: gei_0/1/9
+    type: 1000base-t
+  - name: gei_0/1/10
+    type: 1000base-t
+  - name: gei_0/1/11
+    type: 1000base-t
+  - name: gei_0/1/12
+    type: 1000base-t
+  - name: gei_0/1/13
+    type: 1000base-t
+  - name: gei_0/1/14
+    type: 1000base-t
+  - name: gei_0/1/15
+    type: 1000base-t
+  - name: gei_0/1/16
+    type: 1000base-t
+  - name: gei_0/1/17
+    type: 1000base-t
+  - name: gei_0/1/18
+    type: 1000base-t
+  - name: gei_0/1/19
+    type: 1000base-t
+  - name: gei_0/1/20
+    type: 1000base-t
+  - name: gei_0/1/21
+    type: 1000base-t
+  - name: gei_0/1/22
+    type: 1000base-t
+  - name: gei_0/1/23
+    type: 1000base-t
+  - name: gei_0/1/24
+    type: 1000base-t
+  - name: gei_0/3/1
+    type: 10gbase-x-sfpp
+  - name: gei_0/3/2
+    type: 10gbase-x-sfpp
+  - name: gei_0/3/3
+    type: 10gbase-x-sfpp
+  - name: gei_0/3/4
+    type: 10gbase-x-sfpp

module-types/ZTE/59-8XG-SF.yaml

@@ -0,0 +1,21 @@
+---
+manufacturer: ZTE
+model: 59-8XG-SF
+comments: 8-port 10GE optical interface Ethernet uplink card; fits into the dedicated expansion slot of a ZXR10 5950 Series.
+interfaces:
+  - name: xgei_1/{module}/1
+    type: 10gbase-x-sfpp
+  - name: xgei_1/{module}/2
+    type: 10gbase-x-sfpp
+  - name: xgei_1/{module}/3
+    type: 10gbase-x-sfpp
+  - name: xgei_1/{module}/4
+    type: 10gbase-x-sfpp
+  - name: xgei_1/{module}/5
+    type: 10gbase-x-sfpp
+  - name: xgei_1/{module}/6
+    type: 10gbase-x-sfpp
+  - name: xgei_1/{module}/7
+    type: 10gbase-x-sfpp
+  - name: xgei_1/{module}/8
+    type: 10gbase-x-sfpp