docs(additional-initialisms): add a usage example

Author: Jamie Tanna

examples/output-options/additionalinitialisms/api.yaml

@@ -0,0 +1,14 @@
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: additional-initialisms
+components:
+  schemas:
+    Request:
+      type: object
+      required:
+        - csp_name
+      properties:
+        csp_name:
+          description: The Cloud Service Provider's name.
+          type: string

examples/output-options/additionalinitialisms/cfg.yaml

@@ -0,0 +1,11 @@
+# yaml-language-server: $schema=../../../configuration-schema.json
+package: additionalinitialisms
+output: gen.go
+generate:
+  models: true
+output-options:
+  # to make sure that all types are generated, even if they're unreferenced
+  skip-prune: true
+  name-normalizer: ToCamelCaseWithInitialisms
+  additional-initialisms:
+    - CSP

examples/output-options/additionalinitialisms/gen.go

@@ -0,0 +1,3 @@
+package additionalinitialisms
+
+//go:generate go run github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen -config cfg.yaml api.yaml