feat: update client logo carousel (#101)

## Summary

- Add new client logos: **Cursor**, **MarketSpark**, **MetaCTO** (with
links to their websites)
- Hide logos: Makr, We The Collective, Watermark
- Reorder: Formation Bio moved to #3, Thinaer moved to end
- Fix carousel autoplay: eliminate initial scroll delay, tune timing to
reduce stutter

## Test plan

- [ ] Verify new logos render correctly in carousel
- [ ] Verify logo links open correct websites in new tab
- [ ] Check carousel scrolls immediately on page load without stutter

🤖 Generated with [Claude Code](https://claude.com/claude-code)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

## Release Notes

* **New Features**
* Added three new client logos (Cursor, MarketSpark, MetaCTO) to the
carousel display.

* **Updates**
* Increased carousel animation speed for faster transitions between
logos.
  * Adjusted logo visibility and reordered display sequence in carousel.
  * Hid three logos from active carousel display.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Gowiem

assets/js/plugins.js

@@ -0,0 +1,7 @@
+---
+title: Cursor
+image: /img/logos/cursor.svg
+link: https://www.cursor.com
+weight: 4
+visible: true
+---

content/logos/cursor.md

@@ -2,6 +2,6 @@
 title: Formation Bio
 image: /img/logos/formation-bio-logo.png
 link: https://formation.bio
-weight: 10
+weight: 3
 visible: true
 ---

content/logos/formation-bio.md

@@ -2,5 +2,5 @@
 title: MAKR
 image: /img/logos/makr.png
 weight: 11
-visible: true
+visible: false
 ---

content/logos/makr.md

@@ -0,0 +1,7 @@
+---
+title: MarketSpark
+image: /img/logos/marketspark.png
+link: https://www.marketspark.com
+weight: 5
+visible: true
+---

content/logos/marketspark.md

@@ -0,0 +1,7 @@
+---
+title: MetaCTO
+image: /img/logos/metacto.svg
+link: https://www.metacto.com
+weight: 6
+visible: true
+---

content/logos/metacto.md

@@ -2,6 +2,6 @@
 title: Thinaer
 image: /img/logos/thinaer.png
 link: https://thinaer.io/
-weight: 3
+weight: 99
 visible: true
 ---

content/logos/thinaer.md

@@ -3,5 +3,5 @@ title: Watermark
 image: /img/logos/watermark.png
 link: https://www.watermarkinsights.com/
 weight: 7
-visible: true
+visible: false
 ---

content/logos/watermark.md

@@ -3,5 +3,5 @@ title: We The Collective
 image: /img/logos/we_the_collective.png
 link: https://www.wethecollective.com/
 weight: 5
-visible: true
+visible: false
 ---