Update homepage links

[limelimao]

• Either use / or use full link - these are not relative

preparepreventresist/index.html

Lines 346 to 347 in f629433

	<figure class="elementor-image-box-img"><a href="//srv/htdocs/wp-content/uploads/2022/12/Optima-Needs-Assessment-Report-2020.pdf" target="_blank" tabindex="-1"><img decoding="async" width="51" height="51" src="/wp-content/uploads/2023/02/worldwide-e1669837610987.png" class="attachment-full size-full wp-image-654" alt=""></a></figure><div class="elementor-image-box-content">
	<h3 class="elementor-image-box-title"><a href="//srv/htdocs/wp-content/uploads/2022/12/Optima-Needs-Assessment-Report-2020.pdf" target="_blank">Global Needs Assessment Report</a></h3>

//srv/htdocs/wp-content/uploads/2022/12/Optima-Needs-Assessment-Report-2020.pdf
to
https://preparepreventresist.openinternetproject.org/srv/htdocs/wp-content/uploads/2022/12/Optima-Needs-Assessment-Report-2020.pdf

• This links to a paid service that cannot be continued. Remove link to https://optimashutdowntool.internews.org
  https://preparepreventresist.openinternetproject.org/#:~:text=Not%20Sure%20Where%20To%20Start

• Remove link to AirTable
  https://preparepreventresist.openinternetproject.org/#:~:text=share%20it%20with%20us%20by%20clicking%C2%A0here!