Migrate blog and docs starters to content collections (#5858)

* docs: update README for `content/`

* chore: update env

* feat: update blog to use content collections

* chore: remove with-content starter

* fix: single quotes -> double

* feat: update docs starter to content collections

* refactor: config -> consts

* chore: import type

* edit: Astro will -> Use

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

* chore: remove unused null check

* nit: spacing

* nit: `as Props` 1

Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

* nit: `as Props` 2

Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

* chore: consistent CONSTS usage

* chore: `type` imports at top

* chore: consistent quote usage on YAML

* chore: remove `as Props` from docs

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

4 files changed, 0 insertions, 13 deletions

diff --git a/examples/with-content/public/favicon.svg b/examples/with-content/public/favicon.svg
deleted file mode 100644
index 0f3906297..000000000
--- a/examples/with-content/public/favicon.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 36 36">
-  <path fill="#000" d="M22.25 4h-8.5a1 1 0 0 0-.96.73l-5.54 19.4a.5.5 0 0 0 .62.62l5.05-1.44a2 2 0 0 0 1.38-1.4l3.22-11.66a.5.5 0 0 1 .96 0l3.22 11.67a2 2 0 0 0 1.38 1.39l5.05 1.44a.5.5 0 0 0 .62-.62l-5.54-19.4a1 1 0 0 0-.96-.73Z"/>
-  <path fill="url(#gradient)" d="M18 28a7.63 7.63 0 0 1-5-2c-1.4 2.1-.35 4.35.6 5.55.14.17.41.07.47-.15.44-1.8 2.93-1.22 2.93.6 0 2.28.87 3.4 1.72 3.81.34.16.59-.2.49-.56-.31-1.05-.29-2.46 1.29-3.25 3-1.5 3.17-4.83 2.5-6-.67.67-2.6 2-5 2Z"/>
-  <defs>
-    <linearGradient id="gradient" x1="16" x2="16" y1="32" y2="24" gradientUnits="userSpaceOnUse">
-      <stop stop-color="#000"/>
-      <stop offset="1" stop-color="#000" stop-opacity="0"/>
-    </linearGradient>
-  </defs>
-	<style>
-    @media (prefers-color-scheme:dark){:root{filter:invert(100%)}}
-  </style>
-</svg>
diff --git a/examples/with-content/public/placeholder-about.jpg b/examples/with-content/public/placeholder-about.jpg
deleted file mode 100644
index 2f736d92a..000000000
--- a/examples/with-content/public/placeholder-about.jpg
+++ /dev/null
diff --git a/examples/with-content/public/placeholder-hero.jpg b/examples/with-content/public/placeholder-hero.jpg
deleted file mode 100644
index 66c86497e..000000000
--- a/examples/with-content/public/placeholder-hero.jpg
+++ /dev/null
diff --git a/examples/with-content/public/placeholder-social.jpg b/examples/with-content/public/placeholder-social.jpg
deleted file mode 100644
index e8844fed3..000000000
--- a/examples/with-content/public/placeholder-social.jpg
+++ /dev/null