Add Funding section to README.md

[mgastner]

I have added a Funding section to the end of README.md to provide proper credit and ensure transparency.

[nihalzp]

@mgastner

Run markdownlint-cli2 README.md
  markdownlint-cli2 README.md
  shell: /usr/bin/bash -e {0}
markdownlint-cli2 v0.20.0 (markdownlint v0.40.0)
Finding: README.md
Linting: 1 file(s)
Summary: 1 error(s)
README.md:230:322 error MD047/single-trailing-newline Files should end with a single newline character

This check is complaining that there is no newline at the end.

[github-actions]

🚦 Performance Comparison ^{(α=0.05, ±5%)}

🗺️ Total maps

34

❌ Failed

0

🚀 Speed-ups

3

🐢 Slow-downs

0

⚖️ No change

31

---

❌ Failures

None 😎

🚀 Speed-ups (3)

map	main	pr	Δ %	p
belgium_​by_​region_​simplified_​since_​1995/​belgium_​population_​by_​region_​simplified_​2022.csv	0.082±0.002	0.076±0.004	-6.8	0.000
croatia_​by_​county_​since_​1992/​croatia_​covid_​cases_​by_​county_​2022.csv	0.219±0.005	0.207±0.002	-5.7	0.000
world_​by_​region/​world_​population_​by_​region.csv	7.504±0.046	6.710±0.634	-10.6	0.028

🐢 Slow-downs (0)

none

⚖️ No significant change (31)

map	main	pr	Δ %	p
algeria_​by_​wilaya_​since_​2019/​algeria_​population_​by_​wilaya_​2022.csv	0.704±0.004	0.682±0.003	-3.1	0.000
australia_​by_​state_​and_​territory_​since_​1942/​australia_​population_​by_​state_​and_​territory_​2021.csv	0.723±0.005	0.696±0.004	-3.7	0.000
austria_​by_​state_​since_​1945/​austria_​population_​by_​state_​2020.csv	0.230±0.002	0.221±0.002	-4.0	0.000
bahamas_​by_​district_​since_​1999/​bahamas_​population_​by_​district_​2010.csv	3.348±0.019	3.242±0.024	-3.2	0.000
belgium_​by_​region_​since_​1995/​belgium_​population_​by_​region_​2022.csv	0.103±0.002	0.099±0.002	-4.2	0.000
brazil_​by_​state_​since_​1988/​brazil_​population_​by_​state_​2021.csv	0.612±0.002	0.591±0.002	-3.5	0.000
china_​by_​province_​with_​chinese_​taipei_​since_​1998/​china_​population_​by_​province_​2020.csv	0.764±0.022	0.734±0.007	-4.0	0.018
conterminous_​usa_​by_​state_​since_​1959/​conterminous_​usa_​population_​by_​state_​2020.csv	0.439±0.004	0.420±0.002	-4.3	0.000
contiguous_​usa_​by_​county_​since_​2001/​usa_​population_​by_​county_​2021.csv	33.236±3.712	27.744±5.420	-16.5	0.071
croatia_​by_​county_​since_​1992/​croatia_​population_​by_​county_​2021.csv	0.216±0.004	0.206±0.002	-4.6	0.000
egypt_​by_​governorate_​since_​2009/​egypt_​population_​by_​governate_​2017.csv	0.777±0.004	0.752±0.002	-3.2	0.000
england_​by_​region_​since_​2023/​england_​population_​by_​region_​2022.csv	1.245±0.006	1.198±0.006	-3.7	0.000
eu_​by_​country_​until_​2020/​eu_​population_​by_​country_​2021.csv	1.635±0.015	1.577±0.005	-3.6	0.000
eu_​by_​region_​until_​2020/​eu_​population_​by_​region_​2020.csv	4.928±0.019	4.841±0.014	-1.8	0.000
france_​by_​metropolitan_​region_​since_​2016/​france_​population_​by_​metropolitan_​region_​2008.csv	0.255±0.002	0.243±0.002	-4.7	0.000
germany_​by_​state_​since_​1990/​germany_​population_​by_​state_​2011.csv	0.159±0.002	0.154±0.003	-3.3	0.002
indonesia_​by_​province_​since_​2022/​indonesia_​population_​by_​province_​2024.csv	0.359±0.002	0.347±0.002	-3.3	0.000
japan_​by_​prefecture_​since_​1888/​japan_​population_​by_​prefecture_​2020.csv	0.663±0.003	0.656±0.015	-1.0	0.350
malaysia_​by_​state_​since_​2001/​malaysia_​population_​by_​state_​2020.csv	0.348±0.003	0.335±0.002	-3.7	0.000
malaysia_​by_​state_​since_​2001/​malaysia_​population_​by_​state_​2020_​insetted.csv	0.309±0.004	0.295±0.002	-4.8	0.000
metropolitan_​france_​by_​departement_​since_​2015/​metropolitan_​france_​population_​by_​departement_​2022.csv	0.947±0.010	0.913±0.007	-3.6	0.000
russia_​by_​federal_​subject_​since_​2008/​russia_​population_​by_​federal_​subject_​2010.csv	1.275±0.008	1.276±0.005	+0.1	0.683
singapore_​by_​planning_​area_​since_​1999/​singapore_​population_​by_​planning_​area_​2015.csv	2.176±0.005	2.129±0.007	-2.1	0.000
switzerland_​by_​canton_​since_​1999/​switzerland_​gdp_​in_​billion_​chf_​by_​canton_​2019.csv	0.357±0.002	0.344±0.002	-3.5	0.000
switzerland_​by_​canton_​since_​1999/​switzerland_​population_​by_​canton_​2016.csv	0.311±0.001	0.301±0.005	-3.4	0.002
tunisia_​by_​governorate_​since_​1994/​tunisia_​population_​by_​governate_​2014.csv	0.338±0.002	0.326±0.002	-3.4	0.000
usa_​by_​state_​since_​1959/​usa_​population_​by_​state_​2020.csv	0.680±0.007	0.700±0.005	+2.9	0.000
usa_​by_​state_​since_​1959/​usa_​population_​by_​state_​2020_​insetted.csv	0.524±0.004	0.503±0.002	-3.9	0.000
vietnam_​by_​province_​since_​1996/​vietnam_​population_​by_​province_​2019.csv	0.651±0.003	0.630±0.001	-3.3	0.000
world_​by_​country_​since_​2022/​world_​population_​by_​country_​2010.csv	6.300±0.029	6.180±0.026	-1.9	0.000
world_​by_​region_​wo_​antarctica/​world_​population_​by_​region_​wo_​antarctica.csv	7.312±0.025	7.152±0.086	-2.2	0.005