chore: rename app from Solitaire Quest to Ferrous Solitaire

Updates all in-tree references:
- Android package: com.solitairequest.app → com.ferrousapp.solitaire
- APK name: solitaire-quest → ferrous-solitaire
- Data dir: solitaire_quest → ferrous_solitaire (across all 6 data modules + engine)
- Keyring service: solitaire_quest_server → ferrous_solitaire_server
- Android Keystore key: solitaire_quest_token_key → ferrous_solitaire_token_key
- Gitea repo: Rusty_Solitare → Ferrous-Solitaire (also fixes "Solitare" typo)
- Renamed pkg/solitaire-quest* → pkg/ferrous-solitaire*
- Updated ArgoCD, docker-compose, CI workflow, build script, all docs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

solitaire_app/Cargo.toml

@@ -56,8 +56,8 @@ tiny-skia = { workspace = true }
 # already uses ships into the APK without copy-tree gymnastics.
 # `apk_name` keeps the output filename predictable across machines.
 [package.metadata.android]
-package = "com.solitairequest.app"
-apk_name = "solitaire-quest"
+package = "com.ferrousapp.solitaire"
+apk_name = "ferrous-solitaire"
 build_targets = ["aarch64-linux-android", "armv7-linux-androideabi", "x86_64-linux-android"]
 assets = "../assets"
 # Density-bucketed launcher icons. `aapt` processes `res/mipmap-*/` and

solitaire_app/android/AndroidManifest.xml

@@ -13,7 +13,7 @@
       shared object name without the `lib` prefix or `.so` suffix.
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.solitairequest.app"
+    package="com.ferrousapp.solitaire"
     android:versionCode="1"
     android:versionName="1.0">
 

solitaire_app/src/lib.rs

@@ -109,7 +109,7 @@ pub fn run() {
                         title: "Ferrous Solitaire".into(),
                         // X11/Wayland WM_CLASS so taskbar managers group
                         // multiple windows of this app correctly.
-                        name: Some("solitaire-quest".into()),
+                        name: Some("ferrous-solitaire".into()),
                         resolution: window_resolution,
                         position: window_position,
                         // AutoNoVsync prefers Mailbox (triple-buffered) and