v0.0.5

What's Changed

• Added model input & list models flags by @tarunKoyalwar in #94

MODEL:
   -g3, -gpt3         use GPT-3.5 model (default true)
   -g4, -gpt4         use GPT-4.0 model
   -m, -model string  specify model to use (ex: gpt-4-0314)
   -lm, -list-models  list available models

Full Changelog: v0.0.4...v0.0.5