Feat - Add the NA3 variant of popular ap8959 PDU (#3251)

* Feat - Add the `NA3` variant of popular `ap8959` PDU

US/nema-5-15 version of `ap8959`

* nit/lint fix

All hail the linter!

* nit - add airflow / weight

Addresses/Resolves: https://github.com/netbox-community/devicetype-library/pull/3251#discussion_r2148827624

---------

Co-authored-by: Karl Quinsland <contact@kquinsland.com>

device-types/APC/AP8959NA3.yaml

@@ -0,0 +1,119 @@
+---
+manufacturer: APC
+model: AP8959NA3
+slug: apc-ap8959na3
+part_number: AP8959NA3
+u_height: 0
+is_full_depth: false
+airflow: passive
+weight: 13.3
+weight_unit: kg
+comments: |
+  Rack PDU 2G, Switched, ZeroU, 16A, 120V, (21) C13 & (3) C19
+console-ports:
+  - name: Serial
+    type: rj-12
+power-ports:
+  - name: Power Port 1
+    type: nema-5-15p
+power-outlets:
+  - name: Power Outlet 1
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 2
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 3
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 4
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 5
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 6
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 7
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 8
+    type: iec-60320-c19
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 9
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 10
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 11
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 12
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 13
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 14
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 15
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 16
+    type: iec-60320-c19
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 17
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 18
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 19
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 20
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 21
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 22
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 23
+    type: iec-60320-c13
+    power_port: Power Port 1
+    feed_leg: A
+  - name: Power Outlet 24
+    type: iec-60320-c19
+    power_port: Power Port 1
+    feed_leg: A
+interfaces:
+  - name: Network
+    type: 100base-tx
+    mgmt_only: true