Add Evan's beam mapper

.github/pull_request_template.md

@@ -1,12 +1,16 @@
 ## Checklist
 
-* [ ] I have followed the guidelines in our [Contributing](CONTRIBUTING.md) document.
+Replace `[ ]` --> `[x]` to check off items.
+
+* [ ] I have followed the guidelines in our Contributing document (see "Helpful resources", bottom right sidebar)
 * [ ] I am involved in maintaining the linked resource, or I am adding this resource on the behalf of the maintainer(s) with their permission.
-* [ ] I have checked to ensure there aren't other open [Pull Requests](../../pulls) for the same update/change.
-* [ ] I have considered adding myself to the [Maintainers/Contributors](CONTRIBUTORS.txt) document.
-* [ ] My update to the list follows the format outlined in the [Contributing](CONTIBUTING.md) document:
+* [ ] I have checked to ensure there aren't other open Pull Requests for the same update/change.
+* [ ] I have considered adding myself to the Maintainers/Contributors (CONTRIBUTORS.txt) document.
+* [ ] My update to the list follows the format outlined in the Contributing document:
 
-`[**Project Name**](https://example.com): A one sentence description of the item.`
+```markdown
+* [**Project Name**](https://example.com): A one sentence description of the item.
+```
 
 ## Additional Information
 

CONTRIBUTING.md

@@ -10,14 +10,16 @@ To make this resource as useful as possible and keep it easy to maintain, we set
 
 *To keep the list organized and readable.*
 
-[**Project Name**](https://example.com): A one sentence description of the item.
+* [**Project Name**](https://example.com): A one sentence description of the item.
 
 The markdown for this looks like:
 
 ```markdown
-[**Project Name**](https://example.com): A one sentence description of the item.
+* [**Project Name**](https://example.com): A one sentence description of the item.
 ```
 
+List items shall be in alphabetical order, by the project name.
+
 ## Scope
 
 *To keep the content relevant and avoid becoming a dumping ground for ideas.*

README.md

@@ -30,6 +30,10 @@ High-lift super-pressure, zero-pressure envelopes. e.g. SuperBIT, BLAST
 
 ### Power Systems
 
+### Ground Support Equipment
+
+* [**hotspot**](https://evanmayer.github.io/hotspot): A beam mapper for far-IR instruments; low-obscuration cable robot design carrying electronically chopped Hawkeye thermal sources.
+
 ## Medium Balloons
 
 ## Small Balloons