Rearrange Some docs & Add Quant Analysis API and Demo (#1342)

Author: RachelXu7

example/auto_compression/detection/eval.py

@@ -20,7 +20,7 @@
 from ppdet.core.workspace import load_config, merge_config
 from ppdet.core.workspace import create
 from ppdet.metrics import COCOMetric, VOCMetric, KeyPointTopDownCOCOEval
-from paddleslim.auto_compression.config_helpers import load_config as load_slim_config
+from paddleslim.common import load_config as load_slim_config
 from keypoint_utils import keypoint_post_process
 from post_process import PPYOLOEPostProcess
 

example/auto_compression/detection/post_quant.py

@@ -19,7 +19,7 @@
 import paddle
 from ppdet.core.workspace import load_config, merge_config
 from ppdet.core.workspace import create
-from paddleslim.auto_compression.config_helpers import load_config as load_slim_config
+from paddleslim.common import load_config as load_slim_config
 from paddleslim.quant import quant_post_static