Add new graphics and content assets

Added the following files to app/assets/graphics/content/:
- Malawi_paper_soc_mob_form.docx - Malawi field mapping documentation
- RedCross_WestAfrica_FinalReport_public.pdf - Red Cross West Africa final report
- matt_philippines.jpeg - Field mapping photo from Philippines
- missingmaps-blog_20160422_banner.jpg - Blog banner from 2016
- missingmaps-blog_20180921_VCA.jpg - VCA blog image from 2018
- missingmaps-blog_20191001_screenshot-new-project-types.png - Project types screenshot
- missingmapsblog-leaderboardbanner.jpg - Leaderboard banner image

These assets support blog posts and documentation for Missing Maps activities.

Author: Dale Kunce

app/assets/graphics/content/Malawi_paper_soc_mob_form.docx

@@ -0,0 +1,2 @@
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