Add Cisco SG220-26P2 (#3223)

* feat: Cisco SG220-26P2

* fix: add missing airflow

device-types/Cisco/SG220-26P.yml

@@ -0,0 +1,124 @@
+---
+manufacturer: Cisco
+model: SG220-26
+part_number: SG220-26P
+slug: cisco-sg220-26p
+u_height: 1
+weight: 3.7
+weight_unit: kg
+is_full_depth: false
+airflow: left-to-right
+comments: '[SG220 Series Datasheet](https://www.cisco.com/c/en/us/products/collateral/switches/small-business-220-series-smart-plus-switches/datasheet-c78-731284.html)'
+console-ports:
+  - name: con 0
+    type: rj-45
+power-ports:
+  - name: PS-A
+    type: iec-60320-c14
+    allocated_draw: 30
+    maximum_draw: 200
+interfaces:
+  - name: GigabitEthernet1
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet2
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet3
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet4
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet5
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet6
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet7
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet8
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet9
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet10
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet11
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet12
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet13
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet14
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet15
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet16
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet17
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet18
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet19
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet20
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet21
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet22
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet23
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet24
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet25
+    type: 1000base-t
+  - name: GigabitEthernet26
+    type: 1000base-t
+  - name: GigabitEthernet27
+    type: 1000base-x-sfp
+  - name: GigabitEthernet28
+    type: 1000base-x-sfp