chore: deploy to Cloudflare Pages and update branding

- Add Cloudflare Pages deployment for landing page (snapotter.com) and
  docs (docs.snapotter.com)
- Create deploy-landing.yml and update deploy-docs.yml workflows
- Update CI to ignore apps/landing/** paths
- Fix logo transparency (remove white background) across all apps
- Recreate social-preview.png with SnapOtter branding
- Update all docs URLs from GitHub Pages to docs.snapotter.com
- Update VitePress config: light theme default, fix llms.txt paths
- Add .vitepress/cache/ and .env.* to gitignore

apps/web/src/components/settings/ai-features-section.tsx

@@ -1,4 +1,4 @@
-import type { FeatureBundleState } from "@ashim/shared";
+import type { FeatureBundleState } from "@snapotter/shared";
 import { Clock, Download, Loader2, RefreshCw, RotateCcw, Trash2 } from "lucide-react";
 import { useCallback, useEffect, useRef, useState } from "react";
 import { apiGet } from "@/lib/api";

apps/web/src/components/settings/settings-dialog.tsx

@@ -1,4 +1,4 @@
-import { APP_VERSION, CATEGORIES, TOOLS } from "@ashim/shared";
+import { APP_VERSION, CATEGORIES, TOOLS } from "@snapotter/shared";
 import {
   Check,
   Copy,
@@ -216,7 +216,7 @@ function GeneralSection() {
         .catch(() => {
           setUser({
             id: 0,
-            username: localStorage.getItem("ashim-username") || "",
+            username: localStorage.getItem("snapotter-username") || "",
             role: "unknown",
           });
         }),
@@ -232,7 +232,7 @@ function GeneralSection() {
 
   const handleLogout = () => {
     clearToken();
-    localStorage.removeItem("ashim-username");
+    localStorage.removeItem("snapotter-username");
     window.location.href = "/login";
   };
 
@@ -2530,7 +2530,7 @@ function AboutSection() {
         <h4 className="text-sm font-medium text-foreground">Links</h4>
         <div className="flex flex-col gap-1.5">
           <a
-            href="https://github.com/ashim-hq/ashim"
+            href="https://github.com/snapotter-hq/snapotter"
             target="_blank"
             rel="noopener noreferrer"
             className="text-sm text-primary hover:underline"
@@ -2538,7 +2538,7 @@ function AboutSection() {
             GitHub Repository
           </a>
           <a
-            href="https://ashim-hq.github.io/ashim/"
+            href="https://docs.snapotter.com/"
             target="_blank"
             rel="noopener noreferrer"
             className="text-sm text-primary hover:underline"