feat(openapi-generator): implement openapi-generator v2

BREAKING CHANGE: The OpenAPI generator has been almost entirely
rewritten and now uses `swc` instead of `ts-morph`.

Author: bitgopatmcl

package-lock.json

@@ -12,14 +12,13 @@ npm install --save-dev @api-ts/openapi-generator
 ## Use
 
 The **openapi-generator** assumes the io-ts-http `apiSpec` is exported in the top level
-`index.ts` file. If your spec lives elsewhere, use the `--input` option.
+of the Typescript file passed as an input parameter. The OpenAPI specification will be
+written to stdout.
 
 ```
 OPTIONS:
-  --input, -i <str>    - API route definition file (default: './src/index.ts') [optional]
-  --output, -o <str>   - OpenAPI output file (default: './api.json') [optional]
-  --tsconfig, -t <str> - path to tsconfig.json in project root (default: './tsconfig.json') [optional]
   --name, -n <str>     - API name [optional]
+  --version, -v <str>  - API version [optional]
 
 FLAGS:
   --internal, -i - include routes marked private
@@ -29,5 +28,5 @@ FLAGS:
 For example:
 
 ```shell
-npx openapi-generator --input src/index.ts --output api.json
+npx openapi-generator src/index.ts
 ```