feat: add torch plugin for iOS and Android (#3551)

* feat(barcode-scanner): add torch toggle

* feat: torch plugin

* fix

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

.changes/barcode-scanner-active-camera.md

@@ -0,0 +1,6 @@
+---
+"barcode-scanner": patch
+"barcode-scanner-js": patch
+---
+
+On Android, expose the camera bound by an active scan so the torch plugin can turn the flash on and off during a scan.

.changes/config.json

@@ -82,7 +82,8 @@
         "store",
         "updater",
         "geolocation",
-        "haptics"
+        "haptics",
+        "torch"
       ]
     },
     "api-example-js": {
@@ -106,7 +107,8 @@
         "process-js",
         "shell-js",
         "store-js",
-        "updater-js"
+        "updater-js",
+        "torch-js"
       ],
       "postversion": "pnpm install --no-frozen-lockfile"
     },
@@ -327,6 +329,14 @@
       "path": "./plugins/updater",
       "manager": "javascript"
     },
+    "torch": {
+      "path": "./plugins/torch",
+      "manager": "rust"
+    },
+    "torch-js": {
+      "path": "./plugins/torch",
+      "manager": "javascript"
+    },
     "upload": {
       "path": "./plugins/upload",
       "manager": "rust"

.changes/torch-plugin.md

@@ -0,0 +1,6 @@
+---
+"torch": minor:feat
+"torch-js": minor:feat
+---
+
+Initial release of the torch plugin: turn the device flashlight on and off, toggle it, and query whether it is available and enabled on Android and iOS. On Android it also works while a barcode scanner scan holds the camera.