Add liboqs because it isn't normally packaged

.gitmodules

@@ -13,3 +13,6 @@
 [submodule "src/Mayaqua/3rdparty/oqs-provider"]
 	path = src/Mayaqua/3rdparty/oqs-provider
 	url = https://github.com/open-quantum-safe/oqs-provider.git
+[submodule "src/Mayaqua/3rdparty/liboqs"]
+	path = src/Mayaqua/3rdparty/liboqs
+	url = https://github.com/open-quantum-safe/liboqs.git

src/Mayaqua/3rdparty/liboqs

@@ -0,0 +1 @@
+Subproject commit e3f05cbfba4552067e2c0de524c1049a864c5f2d

src/Mayaqua/CMakeLists.txt

@@ -74,6 +74,15 @@ if(WIN32)
       "ws2_32.lib"
       "WtsApi32.Lib"
     )
+  if (SKIP_OQS_PROVIDER)
+    add_definitions(-DSKIP_OQS_PROVIDER)
+  else()
+    add_subdirectory(3rdparty/liboqs)
+    set(OQS_PROVIDER_BUILD_STATIC ON CACHE BOOL "Build a static library instead of a shared library") # Build oqsprovider as a static library (defaults to shared)
+    add_subdirectory(3rdparty/oqs-provider)
+    set_property(TARGET oqsprovider PROPERTY POSITION_INDEPENDENT_CODE ON)
+    target_link_libraries(mayaqua PRIVATE oqsprovider)
+  endif()
 endif()
 
 if(UNIX)
@@ -96,6 +105,7 @@ if(UNIX)
   if (SKIP_OQS_PROVIDER)
     add_definitions(-DSKIP_OQS_PROVIDER)
   else()
+    add_subdirectory(3rdparty/liboqs)
     set(OQS_PROVIDER_BUILD_STATIC ON CACHE BOOL "Build a static library instead of a shared library") # Build oqsprovider as a static library (defaults to shared)
     add_subdirectory(3rdparty/oqs-provider)
     set_property(TARGET oqsprovider PROPERTY POSITION_INDEPENDENT_CODE ON)