Add deciso dec2700. Pre commit checks passed. (#2372)

* add deciso dec2700. Pre commit checks passed.

* fix slug

* fix naming of dec2750

* Update DEC2750.yaml

set copper interfaces to 2.5gb

* Update TS-879-pro.yml

Netbox doesn't model storage

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Co-authored-by: Harry <Harry@cadby.co.uk>

device-types/Deciso/DEC2750.yaml

@@ -0,0 +1,30 @@
+---
+manufacturer: Deciso
+model: DEC2750
+part_number: DEC2750
+slug: deciso-dec2750
+is_full_depth: false
+u_height: 1
+weight: 3.2
+weight_unit: kg
+comments: '[DEC2750 Series - Specifications](https://shop.opnsense.com/dec2700-series-opnsense-rack-security-appliance/)'
+interfaces:
+  - name: igb0
+    type: 2.5gbase-t
+  - name: igb1
+    type: 2.5gbase-t
+  - name: igb2
+    type: 2.5gbase-t
+  - name: ax0
+    type: 10gbase-x-sfpp
+  - name: ax1
+    type: 10gbase-x-sfpp
+console-ports:
+  - name: Console
+    type: usb-mini-b
+    description: 115200 Baude
+power-ports:
+  - name: PSU 1
+    type: iec-60320-c14
+    maximum_draw: 176
+    allocated_draw: 15

device-types/QNAP/TS-879-pro.yml

@@ -0,0 +1,23 @@
+---
+manufacturer: QNAP
+model: TS-879 Pro
+slug: qnap-ts-879-pro
+part_number: TS-879-pro
+is_full_depth: false
+subdevice_role: parent
+weight: 13.98
+weight_unit: kg
+airflow: front-to-rear
+comments: '[TS-879 Pro | Hardware Specs | QNAP](https://www.qnap.com/en-me/product/ts-879%20pro/specs/hardware)'
+power-ports:
+  - name: PSU
+    type: iec-60320-c14
+    maximum_draw: 101
+    allocated_draw: 101
+interfaces:
+  - name: eth0
+    label: '1'
+    type: 1000base-t
+  - name: eth1
+    label: '2'
+    type: 1000base-t