New collections (#12)

* strong base

* adds collection pagination and link in sidebar to collections

* Update src/pages/collections/index.astro

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* seo

* evergreen collections

* ensure unique episode art on collections page

* speculation rules for faster loading collection pages

* adds collections to breadcrumbs

* coderabbit nit fixes

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Co-authored-by: Robbie Wagner <rwwagner90@gmail.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: 3 people

.gitignore

@@ -30,3 +30,6 @@ test-results/
 
 # AI settings
 AGENTS.md
+
+# generated collections
+src/data/collections.generated.ts