adding Brennenstuhl 1390007308 power strip (#3078)

Co-authored-by: NetBox-Bot <info@netboxlabs.com>

device-types/Brennenstuhl/1390007308.yaml

@@ -0,0 +1,40 @@
+---
+manufacturer: Brennenstuhl
+model: Alu-Line 19" surge protection Power Strip 8-way
+slug: brennenstuhl-1390007308
+part_number: '1390007308'
+comments: |
+  [Brennenstuhl 1390007308 | hardware specs](https://www.brennenstuhl.com/en-DE/products/extension-leads/alu-line-19.500-a-extension-lead-with-surge-protecion-19-8-way-2m-h05vv-f3g1-5)
+u_height: 1
+is_full_depth: false
+airflow: passive
+weight: 700
+weight_unit: g
+power-ports:
+  - name: Power 1
+    type: iec-60320-c14
+power-outlets:
+  - name: Outlet 1
+    type: ita-f
+    power_port: Power 1
+  - name: Outlet 2
+    type: ita-f
+    power_port: Power 1
+  - name: Outlet 3
+    type: ita-f
+    power_port: Power 1
+  - name: Outlet 4
+    type: ita-f
+    power_port: Power 1
+  - name: Outlet 5
+    type: ita-f
+    power_port: Power 1
+  - name: Outlet 6
+    type: ita-f
+    power_port: Power 1
+  - name: Outlet 7
+    type: ita-f
+    power_port: Power 1
+  - name: Outlet 8
+    type: ita-f
+    power_port: Power 1