Add more instance segmentation examples

[giswqs]

• https://captain-whu.github.io/iSAID/dataset.html
• https://github.com/muzairkhattak/OD-Satellite-iSAID/blob/OD_SatteliteImages/projects/OD_satellite_iSAID/Detectron2_Faster-RCNN_iSAID.ipynb
• https://www.kaggle.com/code/romanrybalko/isaid-dataset-processing

[giswqs]

Solar panel

• https://figshare.com/articles/dataset/Connecticut_Solar_PV_Semantic_Segmentation_Dataset/18982199
• https://figshare.com/collections/Full_Collection_Distributed_Solar_Photovoltaic_Array_Location_and_Extent_Data_Set_for_Remote_Sensing_Object_Identification/3255643
• https://zenodo.org/records/5171712
• https://figshare.com/articles/dataset/Solar_Panel_Object_Labels/22081091

[giswqs]

Agricultural field boundary delination: https://fieldsofthe.world/