feat: Fulfillment module basic structure (#6319)

**What**
Scafold the fulfillment module basic structure

**Bonus**
Simplified module scaffolding with new factories and less directories to manage
- mikro orm connection loader factory
- initialize factory

FIXES CORE-1709
FIXES CORE-1710

packages/fulfillment/integration-tests/__tests__/index.ts

@@ -0,0 +1,5 @@
+describe("noop", function () {
+  it("should run", function () {
+    expect(true).toBe(true)
+  })
+})