CI-1954: Add cross build profile

profiles/win10-msvc12_x86-x86_64-shared

+[settings]
+arch=x86_64
+build_type=Release
+compiler=msvc
+compiler.runtime=dynamic
+compiler.version=180
+os=Windows
+
+[options]
+*:shared=True
+
+[buildenv]
+PATH=+(path)D:\Python\Python36
+PYTHONHOME=D:\Python\Python36

profiles/win10-msvc12_x86-x86_64-static

+[settings]
+arch=x86_64
+build_type=Release
+compiler=msvc
+compiler.runtime=static
+compiler.version=180
+os=Windows
+
+[buildenv]
+PATH=+(path)D:\Python\Python36
+PYTHONHOME=D:\Python\Python36
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