add civetweb build

Author: cjcchen

third_party/civetweb.BUILD

@@ -0,0 +1,30 @@
+package(default_visibility = ["//visibility:public"])
+
+cc_library(
+    name = "civetweb",
+    srcs = [
+        "src/CivetServer.cpp",
+        "src/civetweb.c",
+        "src/response.inl",
+    ],
+    hdrs = [
+        "include/CivetServer.h",
+        "include/civetweb.h",
+    ],
+    copts = [
+        "-DUSE_IPV6",
+        "-DNDEBUG",
+        "-DNO_CGI",
+        "-DNO_CACHING",
+        "-DNO_SSL",
+        "-DNO_FILES",
+    ],
+    textual_hdrs = [
+        "src/md5.inl",
+        "src/handle_form.inl",
+    ],
+    includes = [
+        "include",
+    ],
+    visibility = ["//visibility:public"],
+)