CLIMATE-778 - Cosmetic updates for the cli_app
CLIMATE-778 - Cosmetic updates for the cli_app

- start_date & end_date inputs are made on the following rows
- datetime objects are used to check temporal sequence
- renamed the metric
- updateed the color map for the climatology plots
- allow multiple spatial regridding options

apache/climate,huikyole/climate,jarifibrahim/climate,agoodm/climate,apache/climate,huikyole/climate,lewismc/climate,apache/climate,MBoustani/climate,huikyole/climate,agoodm/climate,apache/climate,MBoustani/climate,jarifibrahim/climate,agoodm/climate,jarifibrahim/climate,jarifibrahim/climate,jarifibrahim/climate,huikyole/climate,huikyole/climate,lewismc/climate,Omkar20895/climate,MBoustani/climate,lewismc/climate,Omkar20895/climate,apache/climate,agoodm/climate,lewismc/climate,Omkar20895/climate,MBoustani/climate,Omkar20895/climate,Omkar20895/climate,lewismc/climate,agoodm/climate,MBoustani/climate