Add some test fixtures for Company app

InvenTree/company/fixtures/company.yaml

@@ -0,0 +1,14 @@
+# Sample company data
+
+- model: company.company
+  fields:
+    name: ACME
+    description: A Cool Military Enterprise
+- model: company.company
+  fields:
+    name: Appel Computers
+    description: Think more differenter
+- model: company.company
+  fields:
+    name: Zerg Corp
+    description: We eat the competition

InvenTree/company/fixtures/supplier_part.yaml

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+# Supplier Parts
+
+# M2x4 LPHS from ACME
+- model: company.supplierpart
+  pk: 1
+  fields:
+    part: 1
+    supplier: 1
+    SKU: 'ACME0001'
+
+- model: company.supplierpart
+  pk: 2
+  fields:
+    part: 1
+    supplier: 1
+    SKU: 'ACME0002'
+
+# M2x4 LPHS from Zerg Corp
+- model: company.supplierpart
+  pk: 3
+  fields:
+    part: 1
+    supplier: 3
+    SKU: 'ZERGLPHS'