Add FSD README

Author: PeterH0323

configs/fsd/README.md

@@ -0,0 +1,34 @@
+# FSD: Fully Sparse 3D Object Detection & SST: Single-stride Sparse Transformer
+
+> [Fully Sparse 3D Object Detection](https://arxiv.org/abs/2207.10035)
+
+<!-- [ALGORITHM] -->
+
+## Abstract
+
+## Introduction
+
+
+## Usage
+
+### Modify config
+
+
+## Results and models
+
+### PointPillars
+
+| Backbone |  Lr schd | Mem (GB) | Inf time (fps) |  mAP  |  NDS  |                                                                                                                                                                                                                                                                    Download                                                                                                                                                                                                                                                                    |
+|:--------:|  :-----: | :------: | :------------: | :---: | :---: | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: |
+|  [x](x)  |    2x    |   17.1   |                | 40.0  | 53.3  |                                                                        [model]() \| [log]()                                                                        |
+
+## Citation
+
+```latex
+@article{fan2022fully,
+  title={{Fully Sparse 3D Object Detection}},
+  author={Fan, Lue and Wang, Feng and Wang, Naiyan and Zhang, Zhaoxiang},
+  journal={arXiv preprint arXiv:2207.10035},
+  year={2022}
+}
+```