Made file handler classes extendable

Author: LatvianModder

src/main/java/dev/latvian/apps/tinyserver/http/file/DynamicFileHandler.java

@@ -10,6 +10,7 @@
 import java.nio.file.Path;
 
 public record DynamicFileHandler<REQ extends HTTPRequest>(Path directory, FileResponseHandler responseHandler, boolean autoIndex) implements HTTPHandler<REQ> {
+
 	@Override
 	public HTTPResponse handle(REQ req) throws IOException {
 		var pathVar = req.variables().get("path");

src/main/java/dev/latvian/apps/tinyserver/http/file/FileIndexHandler.java

@@ -11,6 +11,7 @@
 import java.nio.file.Path;
 
 public record FileIndexHandler<REQ extends HTTPRequest>(Path rootDirectory, Path directory, FileResponseHandler responseHandler) implements HTTPHandler<REQ> {
+
 	@Override
 	public HTTPResponse handle(REQ req) throws IOException {
 		if (Files.exists(directory) && Files.isReadable(directory) && Files.isDirectory(directory)) {

src/main/java/dev/latvian/apps/tinyserver/http/file/SingleFileHandler.java

@@ -9,6 +9,7 @@
 import java.nio.file.Path;
 
 public record SingleFileHandler<REQ extends HTTPRequest>(Path path, String contentType, FileResponseHandler responseHandler) implements HTTPHandler<REQ> {
+
 	@Override
 	public HTTPResponse handle(REQ req) {
 		if (Files.exists(path) && Files.isReadable(path) && Files.isRegularFile(path)) {