Rename mistral-7b-openorca-oasst_top1_2023-08-25-v2.Q5_K_M.gguf to mistral-7b-openorca-oasst_top1_230825v2.Q5_K_M.gguf

Rename mistral-7b-openorca-oasst_top1_2023-08-25-v2.Q4_K_M.gguf to mistral-7b-openorca-oasst_top1_230825v2.Q4_K_M.gguf

Update README.md

Update README.md

Duplicate from TheBloke/Mistral-7B-OpenOrca-oasst_top1_2023-08-25-v2-GGUF