python package

created python package structure for better transferability

What's Changed

• Create python-package.yml by @initze in #12

Full Changelog: v0.5...v0.6

v0.5

added optional water masking (based on Pekel) for calculating trends, around water bodies only

v0.4

v0.4 [2022-03-09]

• TCVIS (almost global coverage)
• added global DEM coverage with nice visualization (by G.Donchyts)
• link to J.Braaten's annual Landsat mosaic tool

v0.3.2

v0.3.2 [2021-09-10]

• adapted panel styling
• added Anaktuvuk to examples
• changed starting location

v0.3.1

• fixed sharable link bug (did not work before)
• code cleanup (unnecessary code e.g. imports)

v0.3

added swiping functionality of the map

v0.2 - TCVIS viewer with shareable link

added shareable link option