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

docs/COMMUNITY_GUIDE.md

@@ -1,7 +1,7 @@
 # Community Guide — GitHub Discussions Setup
 
 This document contains the category structure, pinned Welcome post, and seed
-post ideas for the ashim GitHub Discussions.
+post ideas for the SnapOtter GitHub Discussions.
 
 ---
 
@@ -11,16 +11,16 @@ Create these 5 categories in **Settings → Discussions → Categories** on GitH
 
 | Category | Format | Description |
 |----------|--------|-------------|
-| **General** | Open | Announcements, project updates, and casual conversation about ashim. Pinned Welcome post lives here. |
+| **General** | Open | Announcements, project updates, and casual conversation about SnapOtter. Pinned Welcome post lives here. |
 | **Q&A** | Question / Answer | Ask for help with image processing, tool behavior, or unexpected results. Mark accepted answers so others can find solutions quickly. |
 | **Ideas** | Open | Suggest new tools, improvements to existing features, or workflow changes. Upvote ideas you want to see prioritized. |
-| **Show & Tell** | Open | Share your ashim setup — screenshots of pipelines, Docker Compose configs, automation scripts using the REST API, before/after results. |
-| **Self-Hosting Help** | Question / Answer | Docker, reverse proxy, storage, networking, multi-arch, and environment configuration. If your question is about getting ashim running rather than using its tools, post here. |
+| **Show & Tell** | Open | Share your SnapOtter setup — screenshots of pipelines, Docker Compose configs, automation scripts using the REST API, before/after results. |
+| **Self-Hosting Help** | Question / Answer | Docker, reverse proxy, storage, networking, multi-arch, and environment configuration. If your question is about getting SnapOtter running rather than using its tools, post here. |
 
 ### Why these categories
 
 - **Q&A vs Self-Hosting Help** — Separating "how do I use the resize tool" from
-  "how do I get ashim behind Caddy" keeps both channels useful. Self-hosters
+  "how do I get SnapOtter behind Caddy" keeps both channels useful. Self-hosters
   and image-tool users are often different people with different expertise.
 - **Show & Tell** — Pipeline sharing/export isn't built into the app yet, so
   this category is the place to describe your workflows with screenshots and
@@ -33,14 +33,14 @@ Create these 5 categories in **Settings → Discussions → Categories** on GitH
 
 ## Pinned Welcome Post
 
-> **Title:** Welcome to ashim Discussions
+> **Title:** Welcome to SnapOtter Discussions
 >
 > **Category:** General
 >
 > ---
 >
-> Thanks for joining the ashim community. This is the place to ask questions,
-> suggest features, and share what you're building with ashim.
+> Thanks for joining the SnapOtter community. This is the place to ask questions,
+> suggest features, and share what you're building with SnapOtter.
 >
 > **Where to post:**
 >
@@ -50,8 +50,8 @@ Create these 5 categories in **Settings → Discussions → Categories** on GitH
 > | Get help with Docker, reverse proxies, or deployment | [Self-Hosting Help] |
 > | Suggest a new feature or improvement | [Ideas] |
 > | Show off my setup, pipeline, or results | [Show & Tell] |
-> | Report a bug | [GitHub Issues](https://github.com/ashim-hq/ashim/issues/new/choose) |
-> | Report a security vulnerability | [Security Advisories](https://github.com/ashim-hq/ashim/security/advisories/new) |
+> | Report a bug | [GitHub Issues](https://github.com/snapotter-hq/snapotter/issues/new/choose) |
+> | Report a security vulnerability | [Security Advisories](https://github.com/snapotter-hq/snapotter/security/advisories/new) |
 >
 > **A few ground rules:**
 >
@@ -59,10 +59,10 @@ Create these 5 categories in **Settings → Discussions → Categories** on GitH
 > - In Q&A and Self-Hosting Help, mark the reply that solved your problem so
 >   others can find it.
 > - Keep it constructive. We follow the
->   [Code of Conduct](https://github.com/ashim-hq/ashim/blob/main/CODE_OF_CONDUCT.md).
+>   [Code of Conduct](https://github.com/snapotter-hq/snapotter/blob/main/CODE_OF_CONDUCT.md).
 >
-> If you're new to ashim, the
-> [documentation](https://github.com/ashim-hq/ashim#readme) is the best
+> If you're new to SnapOtter, the
+> [documentation](https://github.com/snapotter-hq/snapotter#readme) is the best
 > starting point.
 
 ---
@@ -73,11 +73,11 @@ Two posts you can publish yourself to get early activity in the community.
 
 ### Seed Post 1 — Self-Hosting Help
 
-> **Title:** What's your ashim deployment setup?
+> **Title:** What's your SnapOtter deployment setup?
 >
 > **Category:** Self-Hosting Help
 >
-> I'm curious how everyone is running ashim. A few things I'd love to hear
+> I'm curious how everyone is running SnapOtter. A few things I'd love to hear
 > about:
 >
 > - Are you running it on a NAS, a VPS, or a home server?
@@ -85,7 +85,7 @@ Two posts you can publish yourself to get early activity in the community.
 > - Have you enabled the AI features, and if so, how much RAM/VRAM does your
 >   setup have?
 >
-> I'll go first — I run ashim on [describe your own setup here] with
+> I'll go first — I run SnapOtter on [describe your own setup here] with
 > [reverse proxy] in front. The AI sidecar uses about [X] GB of RAM on my
 > machine.