Add GlobalRequestParams in Docket builder

SwaggerConfig.java

@Bean
	public Docket api() {

		return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo())
				.securityContexts(Arrays.asList(securityContext())).securitySchemes(Arrays.asList(apiKey())).select()
				.apis(RequestHandlerSelectors.basePackage("com.abhicodes.springfoxswagger3.controller"))
				.paths(PathSelectors.ant("/api/**")).build()
				.globalRequestParameters(Arrays.asList(
						new RequestParameterBuilder().name("x-global-header-1").description("Remote User")
								.in(ParameterType.HEADER).required(true)
								.query(simpleParameterSpecificationBuilder -> simpleParameterSpecificationBuilder
										.allowEmptyValue(false)
										.model(modelSpecificationBuilder -> modelSpecificationBuilder
												.scalarModel(ScalarType.STRING)))
								.build(),
						new RequestParameterBuilder().name("x-global-header-2").description("Impersonate User")
								.in(ParameterType.HEADER).required(false)
								.query(simpleParameterSpecificationBuilder -> simpleParameterSpecificationBuilder
										.allowEmptyValue(false)
										.model(modelSpecificationBuilder -> modelSpecificationBuilder
												.scalarModel(ScalarType.STRING)))
								.build()));
	}