app: add code for macOS and Windows apps under 'app' (#12933)

* app: add code for macOS and Windows apps under 'app'

* app: add readme

* app: windows and linux only for now

* ci: fix ui CI validation

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Co-authored-by: jmorganca <jmorganca@gmail.com>

app/darwin/Ollama.app/Contents/Info.plist

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>CFBundleDisplayName</key>
+    <string>Ollama</string>
+    <key>CFBundleExecutable</key>
+    <string>Ollama</string>
+    <key>CFBundleIconFile</key>
+    <string>icon.icns</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.electron.ollama</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleName</key>
+    <string>Ollama</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>0.0.0</string>
+    <key>CFBundleVersion</key>
+    <string>0.0.0</string>
+    <key>DTCompiler</key>
+    <string>com.apple.compilers.llvm.clang.1_0</string>
+    <key>DTSDKBuild</key>
+    <string>22E245</string>
+    <key>DTSDKName</key>
+    <string>macosx14.0</string>
+    <key>DTXcode</key>
+    <string>1431</string>
+    <key>DTXcodeBuild</key>
+    <string>14E300c</string>
+    <key>LSApplicationCategoryType</key>
+    <string>public.app-category.developer-tools</string>
+    <key>LSMinimumSystemVersion</key>
+    <string>14.0</string>
+    <key>LSUIElement</key>
+    <true/>
+    <key>CFBundleURLTypes</key>
+    <array>
+      <dict>
+        <key>CFBundleURLName</key>
+        <string>Ollama URL</string>
+        <key>CFBundleURLSchemes</key>
+        <array>
+          <string>ollama</string>
+        </array>
+      </dict>
+    </array>
+  </dict>
+</plist>

app/darwin/Ollama.app/Contents/Library/LaunchAgents/com.ollama.ollama.plist

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>Label</key>
+    <string>com.ollama.ollama</string>
+    <key>BundleProgram</key>
+	<string>Contents/Frameworks/Squirrel.framework/Versions/A/Squirrel</string>
+    <key>ProgramArguments</key>
+    <array>
+        <string>Contents/Frameworks/Squirrel.framework/Versions/A/Squirrel</string>
+        <string>background</string>
+    </array>
+    <key>RunAtLoad</key>
+    <true/>
+    <key>LimitLoadToSessionType</key>
+	<string>Aqua</string>
+	<key>POSIXSpawnType</key>
+	<string>Interactive</string>
+	<key>LSUIElement</key>
+	<true/>
+	<key>LSBackgroundOnly</key>
+	<false/>
+</dict>
+</plist>