Link all the templates

Signed-off-by: Michał Górny <mgorny@quansight.com>

Author: mgorny

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,5 +1,9 @@
 ## Template selection
 
-Please go to the Preview tab and select the appropriate template:
+Please go to the "Preview" tab and select the appropriate template:
 
+* [I want to mark a package as broken (or not broken)](?expand=1&template=broken.md)
+* [I want to archive a feedstock](?expand=1&template=archive.md)
+* [I want to request (or revoke) access to an opt-in CI resource](?expand=1&template=ci-resource.md)
+* [I want to copy an artifact following CFEP-3](?expand=1&template=cfep-3.md)
 * [I want to add a package output to a feedstock](?expand=1&template=add-feedstock-output.md)

.github/PULL_REQUEST_TEMPLATE/add-feedstock-output.md

@@ -11,7 +11,7 @@ Cheers and thank you for contributing to conda-forge!
 
 ## Checklist:
 
-* [ ] I want to add a package output to a feedstock:
+* [x] I want to add a package output to a feedstock:
   * [ ] Pinged the relevant feedstock team(s)
   * [ ] Added a small description of why the output is being added.
 

.github/PULL_REQUEST_TEMPLATE/archive.md

@@ -11,7 +11,7 @@ Cheers and thank you for contributing to conda-forge!
 
 ## Checklist:
 
-* [ ] I want to archive a feedstock:
+* [x] I want to archive a feedstock:
   * [ ] Pinged the team for that feedstock for their input.
   * [ ] Make sure you have opened an issue on the feedstock explaining why it was archived.
   * [ ] Linked that issue in this PR description.

.github/PULL_REQUEST_TEMPLATE/broken.md

@@ -30,7 +30,7 @@ What will happen when a package is marked broken?
 
 ## Checklist:
 
-* [ ] I want to mark a package as broken (or not broken):
+* [x] I want to mark a package as broken (or not broken):
   * [ ] Added a description of the problem with the package in the PR description.
   * [ ] Pinged the team for the package for their input.
 

.github/PULL_REQUEST_TEMPLATE/cfep-3.md

@@ -11,7 +11,7 @@ Cheers and thank you for contributing to conda-forge!
 
 ## Checklist:
 
-* [ ] I want to copy an artifact following [CFEP-3](https://github.com/conda-forge/cfep/blob/main/cfep-03.md):
+* [x] I want to copy an artifact following [CFEP-3](https://github.com/conda-forge/cfep/blob/main/cfep-03.md):
   * [ ] Pinged the relevant feedstock team(s)
   * [ ] Added a reference to the original PR
   * [ ] Posted a link to the conda artifacts

.github/PULL_REQUEST_TEMPLATE/ci-resource.md

@@ -11,7 +11,7 @@ Cheers and thank you for contributing to conda-forge!
 
 ## Checklist:
 
-* [ ] I want to request (or revoke) access to an opt-in CI resource:
+* [x] I want to request (or revoke) access to an opt-in CI resource:
   * [ ] Pinged the relevant feedstock team(s)
   * [ ] Added a small description explaining why access is needed