chore: add flathub submission

ai.menlo.jan.desktop

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+[Desktop Entry]
+Name=Jan
+Comment=Local AI Assistant that runs 100% offline
+Exec=run.sh
+Icon=ai.menlo.jan
+Type=Application
+Categories=Development;
+Keywords=AI;Assistant;LLM;ChatGPT;Local;Offline;
+StartupNotify=true

ai.menlo.jan.metainfo.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>ai.menlo.jan</id>
+  <metadata_license>FSFAP</metadata_license>
+  <project_license>AGPL-3.0-only</project_license>
+  <name>Jan</name>
+  <summary>Local AI Assistant that runs 100% offline on your device</summary>
+
+  <description>
+    <p>
+      Jan is a ChatGPT-alternative that runs 100% offline on your device. Our goal is to make it easy for anyone to download and run LLMs and use AI with full control and privacy.
+    </p>
+    <p>Features:</p>
+    <ul>
+      <li>Model Library with popular LLMs like Llama, Gemma, Mistral, or Qwen</li>
+      <li>Connect to Remote AI APIs like Groq and OpenRouter</li>
+      <li>Local API Server with OpenAI-equivalent API</li>
+      <li>Extensions for customizing Jan</li>
+    </ul>
+  </description>
+
+  <launchable type="desktop-id">ai.menlo.jan.desktop</launchable>
+
+  <screenshots>
+    <screenshot type="default">
+      <image>https://catalog.jan.ai/flatpak/demo.gif</image>
+    </screenshot>
+  </screenshots>
+
+  <url type="homepage">https://jan.ai/</url>
+  <url type="bugtracker">https://github.com/janhq/jan/issues</url>
+
+  <content_rating type="oars-1.1" />
+
+  <releases>
+    <release version="0.5.12" date="2024-01-02">
+      <description>
+        <p>Latest stable release of Jan AI</p>
+      </description>
+    </release>
+  </releases>
+</component>

ai.menlo.jan.yml

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+app-id: ai.menlo.jan
+runtime: org.freedesktop.Platform
+runtime-version: '24.08'
+sdk: org.freedesktop.Sdk
+base: org.electronjs.Electron2.BaseApp
+base-version: '24.08'
+
+sdk-extensions:
+  - org.freedesktop.Sdk.Extension.node20
+
+command: run.sh
+separate-locales: false
+
+finish-args:
+  - --share=ipc
+  - --socket=x11
+  - --socket=pulseaudio
+  - --device=dri
+  - --share=network
+  - --filesystem=home
+  - --env=ELECTRON_TRASH=gio
+
+modules:
+  - name: jan
+    buildsystem: simple
+    build-commands:
+      - mkdir -p /app/bin /app/jan
+      - chmod +x jan-linux.AppImage
+      - ./jan-linux.AppImage --appimage-extract
+      - mv squashfs-root/* /app/jan/
+      - rm -rf squashfs-root jan-linux.AppImage
+      - install -Dm755 -t /app/bin/ run.sh
+      - install -Dm644 -t /app/share/applications/ ai.menlo.jan.desktop
+      - install -Dm644 -t /app/share/metainfo/ ai.menlo.jan.metainfo.xml
+      - install -Dm644 ai.menlo.jan.png /app/share/icons/hicolor/256x256/apps/ai.menlo.jan.png
+    sources:
+      - type: file
+        url: https://github.com/janhq/jan/releases/download/v0.5.12/jan-linux-x86_64-0.5.12.AppImage
+        dest-filename: jan-linux.AppImage
+        sha256: b48ca53f954eb79df02bf29f82c2ba1e2317d1886e8893032e7d0bf5763a6894
+        x-checker-data:
+          type: json
+          url: https://api.github.com/repos/janhq/jan/releases/latest
+          version-query: .tag_name | sub("^v"; "")
+          url-template: https://github.com/janhq/jan/releases/download/v$version/jan-linux-x86_64-$version.AppImage
+
+      - type: script
+        dest-filename: run.sh
+        commands:
+          - zypak-wrapper.sh /app/jan/jan "$@"
+      - type: file
+        path: ai.menlo.jan.desktop
+      - type: file
+        path: ai.menlo.jan.metainfo.xml
+      - type: file
+        path: ai.menlo.jan.png

flathub.json

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+{
+    "only-arches": ["x86_64"]
+}