chore(docs): Updated API Reference (v2) (#8609)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/api-reference/specs/admin/components/schemas/AdminTaxRate.yaml

@@ -0,0 +1,76 @@
+type: object
+description: The tax rate's details.
+x-schemaName: AdminTaxRate
+required:
+  - id
+  - rate
+  - code
+  - name
+  - metadata
+  - tax_region_id
+  - is_combinable
+  - is_default
+  - created_at
+  - updated_at
+  - deleted_at
+  - created_by
+  - tax_region
+  - rules
+properties:
+  id:
+    type: string
+    title: id
+    description: The tax rate's ID.
+  rate:
+    type: number
+    title: rate
+    description: The tax rate's rate.
+  code:
+    type: string
+    title: code
+    description: The tax rate's code.
+  name:
+    type: string
+    title: name
+    description: The tax rate's name.
+  metadata:
+    type: object
+    description: The tax rate's metadata.
+  tax_region_id:
+    type: string
+    title: tax_region_id
+    description: The tax rate's tax region id.
+  is_combinable:
+    type: boolean
+    title: is_combinable
+    description: The tax rate's is combinable.
+  is_default:
+    type: boolean
+    title: is_default
+    description: The tax rate's is default.
+  created_at:
+    type: string
+    format: date-time
+    title: created_at
+    description: The tax rate's created at.
+  updated_at:
+    type: string
+    format: date-time
+    title: updated_at
+    description: The tax rate's updated at.
+  deleted_at:
+    type: string
+    format: date-time
+    title: deleted_at
+    description: The tax rate's deleted at.
+  created_by:
+    type: string
+    title: created_by
+    description: The tax rate's created by.
+  tax_region:
+    $ref: ./AdminTaxRegion.yaml
+  rules:
+    type: array
+    description: The tax rate's rules.
+    items:
+      $ref: ./AdminTaxRateRule.yaml