Update Git issue template and donation link (#209)

Update Git issue template and donation link

.github/FUNDING.yml

@@ -10,4 +10,4 @@ liberapay: # Replace with a single Liberapay username
 issuehunt: # Replace with a single IssueHunt username
 otechie: # Replace with a single Otechie username
 lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
-custom: https://anonymousplanet-ng.org/donations.html
+custom: https://anonymousplanet.org/donations.html

.github/ISSUE_TEMPLATE/documentation.md

+---
+name: Suggestion
+about: Suggest something for the guide
+title: ""
+labels: "T: doc"
+assignees: ""
+---
+
+**Please describe the scope.**
+
+<!-- A clear and concise description of what the problem is,
+e.g. something that is outdated or needs additional info. 
+Limit this to about 60-70 chars. -->
+
+**Please describe the solution.**
+
+<!-- A clear and concise description of what you want to happen 
+or see changed. You're welcome to ask for changes regarding 
+anything as long as it is in scope. -->
+
+**Please describe alternatives.**
+
+<!-- A clear and concise description of any alternative solutions 
+or features you've considered. e.g. "This could instead be 
+replaced by <some other program> or <other link>." Make sure it's 
+in scope. -->
+
+**Give any additional relevent context.**
+
+<!-- Add any other links and related imagery or data here. We 
+will not entertain any sort of suggestion that doesn't fit in the
+threat model described in the guide. It is aimed at protecting 
+journalists, whistleblowers and activists, and any suggestion will
+require research on the behalf of the person writing the issue. -->