docs: add GitHub Sponsors CTAs across README, landing, and docs

Remove Ko-fi from FUNDING.yml since GitHub Sponsors is now active.
Add sponsor badge to README badge row and support section. Add
sponsor button to landing page open-source section and footer.
Add heart icon social link to docs site nav bar.

.github/FUNDING.yml

@@ -1,2 +1 @@
 github: snapotter-hq
-ko_fi: snapotter-hq

README.md

@@ -9,6 +9,7 @@
   <a href="https://github.com/snapotter-hq/snapotter/blob/main/LICENSE"><img src="https://img.shields.io/badge/License-AGPLv3-blue" alt="License"></a>
   <a href="https://github.com/snapotter-hq/snapotter/stargazers"><img src="https://img.shields.io/github/stars/snapotter-hq/snapotter?style=social" alt="Stars"></a>
   <a href="https://discord.gg/hr3s7HPUsr"><img src="https://img.shields.io/badge/Discord-Join-5865F2?logo=discord&logoColor=white" alt="Discord"></a>
+  <a href="https://github.com/sponsors/snapotter-hq"><img src="https://img.shields.io/badge/Sponsor-pink?logo=githubsponsors&logoColor=white" alt="Sponsor"></a>
 </p>
 
 ![SnapOtter - Dashboard](branding/dashboard.png)
@@ -82,17 +83,21 @@ We welcome bug reports, feature ideas, and pull requests. See [CONTRIBUTING.md](
 - [Submit a PR](CONTRIBUTING.md#code-requires-cla)
 - [Join Discord](https://discord.gg/hr3s7HPUsr) for help and discussion
 
-## Show Your Support
+## Support SnapOtter
 
 <p align="center">
-  If SnapOtter saves you time, money or both, consider giving us a star.<br>
+  If SnapOtter saves you time, money, or both, consider starring the repo or sponsoring the project.<br>
-  It helps others discover the project and keeps us motivated.
+  Stars help others discover SnapOtter. Sponsorships fund development and keep it free for everyone.
 </p>
 
 <p align="center">
   <a href="https://github.com/snapotter-hq/SnapOtter/stargazers">
     <img src="https://img.shields.io/github/stars/snapotter-hq/SnapOtter?style=for-the-badge&logo=github&color=yellow" alt="Star SnapOtter">
   </a>
+  &nbsp;
+  <a href="https://github.com/sponsors/snapotter-hq">
+    <img src="https://img.shields.io/badge/Sponsor-pink?style=for-the-badge&logo=githubsponsors&logoColor=white" alt="Sponsor SnapOtter">
+  </a>
 </p>
 
 <p align="center">

apps/docs/.vitepress/config.mts

@@ -124,6 +124,11 @@ export default defineConfig({
     },
 
     socialLinks: [
+      {
+        icon: { svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor"><path d="M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z"/></svg>' },
+        link: "https://github.com/sponsors/snapotter-hq",
+        ariaLabel: "Sponsor SnapOtter",
+      },
       { icon: "github", link: "https://github.com/snapotter-hq/snapotter" },
       { icon: "discord", link: "https://discord.gg/hr3s7HPUsr" },
     ],

apps/landing/src/components/footer.tsx

@@ -25,6 +25,10 @@ const columns = [
     links: [
       { label: "GitHub", href: "https://github.com/snapotter-hq/snapotter" },
       { label: "Discord", href: "https://discord.gg/hr3s7HPUsr" },
+      {
+        label: "Sponsor",
+        href: "https://github.com/sponsors/snapotter-hq",
+      },
       {
         label: "Contributing",
         href: "https://github.com/snapotter-hq/snapotter/blob/main/CONTRIBUTING.md",

apps/landing/src/components/open-source.tsx

@@ -1,4 +1,4 @@
-import { Github, MessageCircle, Star } from "lucide-react";
+import { Github, Heart, MessageCircle, Star } from "lucide-react";
 import { FadeIn } from "./fade-in";
 
 export function OpenSource() {
@@ -24,6 +24,15 @@ export function OpenSource() {
               Star on GitHub
               <Star size={16} className="text-accent" />
             </a>
+            <a
+              href="https://github.com/sponsors/snapotter-hq"
+              target="_blank"
+              rel="noopener noreferrer"
+              className="inline-flex items-center gap-2 rounded-xl border border-border px-6 py-3 text-base font-semibold transition-colors hover:bg-background-alt"
+            >
+              <Heart size={20} />
+              Sponsor
+            </a>
             <a
               href="https://discord.gg/hr3s7HPUsr"
               target="_blank"