Add filter for measuring request response time (#101)

* Added TimingFilter to measure request duration and log ms

* Added TimingFilter to measure request duration and log ms

---------

Co-authored-by: Kristina <kristina0x7@gmail.com>

Author: Cavve

src/main/java/org/juv25d/filter/TimingFilter.java

@@ -0,0 +1,24 @@
+package org.juv25d.filter;
+
+import org.juv25d.http.HttpRequest;
+import org.juv25d.http.HttpResponse;
+import org.juv25d.logging.ServerLogging;
+
+import java.io.IOException;
+import java.util.logging.Logger;
+
+public class TimingFilter implements Filter {
+
+    private static final Logger logger = ServerLogging.getLogger();
+
+    @Override
+    public void doFilter(HttpRequest req, HttpResponse res, FilterChain chain) throws IOException {
+        long start = System.nanoTime();
+
+        chain.doFilter(req, res);
+
+        long durationMs = (System.nanoTime() - start) / 1_000_000;
+        logger.info(req.method() + " " + req.path() + " took " + durationMs + " ms");
+
+    }
+}