feat(typescript-fetch): add docs support (#22110) #68

Job	Run time
Build projects (20.x, samples/client/others/typescript-angular/)	1m 8s
Build projects (20.x, samples/client/petstore/typescript-angular-v16-provided-in-root/)	1m 28s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/jquery/)	1m 0s
Build projects (20.x, samples/client/petstore/typescript-angular-v17-provided-in-root/)	1m 55s
Build projects (20.x, samples/client/petstore/typescript-angular-v19-provided-in-root/)	2m 11s
Build projects (20.x, samples/client/petstore/typescript-angular-v20-provided-in-root/)	1m 33s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/default/)	51s
Build projects (20.x, samples/client/petstore/typescript-axios/builds/with-npm-version/)	55s
Build projects (20.x, samples/client/petstore/typescript-fetch/tests/default/)	1m 26s
Build projects (20.x, samples/client/petstore/typescript-angular-v18-provided-in-root/)	1m 53s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/object_params/)	53s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/with-npm-version/)	1m 6s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/es6-target/)	40s
Build projects (20.x, samples/client/petstore/typescript-rxjs/builds/with-npm-version/)	53s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/browser/)	45s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/default/)	39s
	19m 16s

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