[knet] Add new port (#13207)

ports/knet/portfile.cmake

@@ -0,0 +1,30 @@
+vcpkg_fail_port_install(ON_ARCH "arm" ON_TARGET "uwp")
+
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO kibaamor/knet
+    REF v1.0.1
+    SHA512 c9d3d876bef89d2b2c10f4f91ff3dc70a036e2437bf96fd57df8de07275b7b99b214ad332db94d7f1da587b22e6bd00bfde1d7d4b23277639ea0cef1f0a6f59c
+    HEAD_REF master
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+        -DKNET_BUILD_EXAMPLE:BOOL=OFF
+        -DKNET_BUILD_TEST:BOOL=OFF
+)
+
+vcpkg_install_cmake()
+vcpkg_fixup_cmake_targets(CONFIG_PATH lib/cmake/knet TARGET_PATH share/knet)
+
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/usage DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})

ports/knet/usage

@@ -0,0 +1,4 @@
+The package knet provides CMake integration:
+
+    find_package(knet CONFIG REQUIRED)
+    target_link_libraries(main PRIVATE knet)

ports/knet/vcpkg.json

@@ -0,0 +1,8 @@
+{
+  "name": "knet",
+  "version-string": "1.0.1",
+  "description": "A cross platform lock-free and timer-supported C++11 network library.",
+  "homepage": "https://github.com/kibaamor/knet",
+  "license": "MIT",
+  "supports": "!(arm | uwp)"
+}