Add 27+ New Papers (including NLP and CV)

Add missing references

Information of Papers

• Text Generation with Efficient (Soft) Q-Learning
• Argumentative Relation Classification as Plausibility Ranking
• GPT3Mix: Leveraging Large-scale Language Models for Text Augmentation

Information of Updating

• Add new papers to the survey ( web-version, arxiv version will be updated later)
• Add new papers to the timeline ( web-version)
• Add new papers to the Github

Fix one incorrect reference.

Acknowledgement: thank Junyang Lin for pointing it out.

Released the first version