RIFE 1.2.3

• Added more models. (https://github.com/styler00dollar/VapourSynth-RIFE-ncnn-Vulkan)
• Linking to avs changed from statically to dynamically.
• Removed boost dependency.

Download models from here.

Used additional libraries for building:

• VulkanSDK-1.4.304.1-Installer.exe.