Feature/static files (#456)

* Added mapping

* Added documentation

src/main/java/ca/uhn/fhir/jpa/starter/AppProperties.java

@@ -72,6 +72,8 @@ public class AppProperties {
   private Boolean install_transitive_ig_dependencies = true;
   private Map<String, ImplementationGuide> implementationGuides = null;
 
+	private String staticLocation = null;
+
   private Boolean lastn_enabled = false;
   private boolean store_resource_in_lucene_index_enabled = false;
   private NormalizedQuantitySearchLevel normalized_quantity_search_level = NormalizedQuantitySearchLevel.NORMALIZED_QUANTITY_SEARCH_NOT_SUPPORTED;
@@ -89,6 +91,16 @@ public class AppProperties {
     return custom_interceptor_classes;
   }
 
+
+	public String getStaticLocation() {
+		return staticLocation;
+	}
+
+	public void setStaticLocation(String staticLocation) {
+		this.staticLocation = staticLocation;
+	}
+
+
 	public Boolean getOpenapi_enabled() {
 		return openapi_enabled;
 	}

src/main/java/ca/uhn/fhir/jpa/starter/ExtraStaticFilesConfigurer.java

@@ -0,0 +1,22 @@
+package ca.uhn.fhir.jpa.starter;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+@ConditionalOnProperty(prefix = "hapi.fhir", name = "staticLocation")
+public class ExtraStaticFilesConfigurer implements WebMvcConfigurer {
+
+	@Autowired
+	AppProperties appProperties;
+
+	@Override
+	public void addResourceHandlers(ResourceHandlerRegistry theRegistry) {
+		theRegistry
+			.addResourceHandler("/static/**")
+		.addResourceLocations(appProperties.getStaticLocation());
+	}
+}