docs: adopt issue-first contribution workflow (#10819)

Co-authored-by: Douwe M Osinga <douwe@sidewalklabs.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -48,3 +48,5 @@ If applicable, add screenshots to help explain your problem.
 
 **Additional context**
 Add any other context about the problem here.
+
+Do not begin implementation until the issue reaches **Ready** on the [Goose Issues board](https://github.com/orgs/aaif-goose/projects/1).

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,19 +7,18 @@ assignees: ''
 
 ---
 
-**Before opening a feature request**
-Please start a discussion in the [goose-eng Discord channel](https://discord.com/channels/1287729918100246654/1514412780504088677) before creating a feature request or beginning implementation. This helps align on direction before anyone spends time building.
+**What problem would this solve?**
+Describe the problem, who it affects, and the use cases it prevents or makes difficult.
 
-**Please explain the motivation behind the feature request.**
-Does this feature solve a particular problem you have been experiencing? What opportunities or use cases would be unlocked with this feature?
+**What would a good outcome look like?**
+Describe the outcome rather than a particular implementation.
 
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
+**Possible approaches**
+Share any approaches, constraints, or trade-offs the design discussion should consider.
 
 **Additional context**
 Add any other context or screenshots about the feature request here.
 
 - [x] I have verified this does not duplicate an existing feature request
+
+Do not begin implementation until the issue reaches **Ready** on the [Goose Issues board](https://github.com/orgs/aaif-goose/projects/1).