wrk: add page (#2971)

pages/common/wrk.md

@@ -0,0 +1,16 @@
+# wrk
+
+> HTTP benchmarking tool.
+> Homepage: <https://github.com/wg/wrk>.
+
+- Run a benchmark for `30` seconds, using `12` threads, and keeping `400` HTTP connections open:
+
+`wrk -t{{12}} -c{{400}} -d{{30s}} "{{http://127.0.0.1:8080/index.html}}"`
+
+- Run a benchmark with a custom header:
+
+`wrk -t{{2}} -c{{5}} -d{{5s}} -H "{{Host: example.com}}" "{{http://example.com/index.html}}"`
+
+- Run a benchmark with a request timeout of `2` seconds:
+
+`wrk -t{{2}} -c{{5}} -d{{5s}} — timeout {{2s}} "{{http://example.com/index.html}}"`