[fluidlite] Add new port (microsoft#13006)

ports/fluidlite/CONTROL

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+Source: fluidlite
+Version: 2020-08-20
+Homepage: https://github.com/divideconcept/FluidLite
+Description: FluidLite is a very light version of FluidSynth designed to be hardware, platform and external dependency independant.

ports/fluidlite/portfile.cmake

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+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO divideconcept/FluidLite
+    REF 1cf5c3ab61ea0a3abfbe13ac0692a056e8c0d535
+    SHA512 785911d9b414b744d8f09492ad713d63344d4ef36b4a9e747b78172c94373b4949422d7c1b1ae42af6b5305f0df5d08cf81e9c443f85c93086131f0f9c029007
+    HEAD_REF master
+)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" FLUIDLITE_BUILD_STATIC)
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" FLUIDLITE_BUILD_SHARED)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+        -DFLUIDLITE_BUILD_STATIC=${FLUIDLITE_BUILD_STATIC}
+        -DFLUIDLITE_BUILD_SHARED=${FLUIDLITE_BUILD_SHARED}
+        -DCMAKE_WINDOWS_EXPORT_ALL_SYMBOLS=ON
+)
+
+vcpkg_install_cmake()
+
+# Remove unnecessary files
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)