Added boundary data into the datasources

e_Stat_2020_National_Census_Small_Area_JGD2000_Boundaries/LICENSE

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e_Stat_2020_National_Census_Small_Area_JGD2000_Boundaries/README.md

+# e-Stat 2020 National Census Small Area Boundaries (JGD2000) for Japan
+
+This dataset contains boundaries for small area (i.e. administrative units) of Japan.
+
+## Description
+
+This is a collection of boundaries for the administrative units (Prefectures, municipalities, sub-municipalities, neighborhoods) in Japan , updated in the year 2020. These boundaries are given for the national census surveyed in the year 2020. They are in JGD2000 projections.
+
+More detailed information can be found in the official datasource:
+[e-Stat: 2020 Japanese National Census Small Area Boundaries](https://www.e-stat.go.jp/gis/statmap-search?page=1&type=2&aggregateUnitForBoundary=A&toukeiCode=00200521&toukeiYear=2020&serveyId=A002005212020&coordsys=1&format=shape&datum=2000).
+
+## License
+
+See a human-readable summary of the terms of use
+[here](https://www.e-stat.go.jp/en/terms-of-use).
+
+Read the original datasource terms of use statement [here](./LICENSE).
+
+See [this file](./japan_statistics_terms_of_use_screenshot.pdf) for
+a PDF of the license generated on 4th February 2021.
+
+## Source
+
+Portal Site of Official Statistics of Japan website ([e-Stat: 2020 Japanese National Census Small Area Boundaries](https://www.e-stat.go.jp/gis/statmap-search?page=1&type=2&aggregateUnitForBoundary=A&toukeiCode=00200521&toukeiYear=2020&serveyId=A002005212020&coordsys=1&format=shape&datum=2000))
+
+## Dependencies
+
+- [wget](https://www.gnu.org/software/wget/)
+
+## Download data
+
+Execute [download.sh](./download_commercial.sh)   

e_Stat_2020_National_Census_Small_Area_JGD2000_Boundaries/download.sh

+#!/bin/bash
+
+# Set the pathname to store the boundary data
+path="boundary_data"
+
+# Check if `boundary_data` directory already exists; If does not exist create it.
+if [[ -d "$path" ]]
+then
+    echo "Directory exists"
+else
+    mkdir "$path"
+fi
+# Change to `boundary_data` directory
+cd "$path"
+
+# Boundaries for National Census of small area (i.e. Prefectures, municipalities and sub-municipalities)
+wget -i ../boundary_urls.txt