Feat/battery threshold (#7)

* feat(battery-threshold): add translations and rule file

* feat(battery-threshold): add setup script

* feat(battery-threshold): add plugin manifest

* feat(battery-threshold): implement battery-threshold service

* feat(battery-threshold): implement battery-threshold widget

* feat(battery-threshold): implement battery-threshold panel

* feat(battery-threshold): add readme

* chore(battery-threshold): add dependencies field

* chore(battery-threshold): add thumbnail

* docs(battery-threshold): add thumbnail to readme

* fix(battery-threshold): add thumbnail from generator

* chore(battery-threshold): add license and icon fields to plugin.toml

* style(battery-threshold): replace tabs with spaces

* style(battery-threshold): unflatten translation files

* refactor(battery-threshold): use translations for widget tooltip

* chore(battery-threshold): replace raw strings with translations

* chore(battery-threshold): remove panel ipc event

* chore(battery-threshold): check error on file read

* chore(battery-threshold): remove `setUpdateInterval` calls

* style(battery-threshold): fix formatting

* chore(battery-threshold): remove tags capital letters

* Update plugin.toml

* chore(battery-threshold): remove de fr and tr translations

* chore(battery-threshold): update thumbnail

* fix(battery-threshold): add shell quoting for runAsync

* chore(battery-threshold): embed rule file content in setup script

* chore(battery-threshold): update manifest

* refactor(battery-threshold): use noctalia.pluginDataDir, log read/write errors

* docs(battery-threshold): update README to match template

* chore(battery-threshold): add missing dependencies to manifest

---------

Co-authored-by: Lemmy <studio@quadbyte.net>

battery-threshold/translations/en.json

@@ -0,0 +1,26 @@
+{
+  "settings": {
+    "battery-device": "Battery Device",
+    "battery-device-desc": "Battery to configure threshold for",
+    "charge-threshold": "Charge Threshold",
+    "charge-threshold-desc": "The percentage at which the battery should stop charging",
+    "no-battery-device": "No configurable batteries are available on this system"
+  },
+  "notification": {
+    "error-title": "Battery Threshold Error",
+    "error-msg": "Failed to write battery threshold to {file}",
+    "setup-title": "Battery Threshold Setup",
+    "setup-fail": "Failed to configure permissions.",
+    "setup-success": "Permissions configured. Please log out and back in for group changes to take effect."
+  },
+  "actions": {
+    "widget-settings": "Widget Settings"
+  },
+  "panel": {
+    "title": "Battery Threshold",
+    "not-available": "Not available on this system",
+    "adjust-limit": "Drag slider to adjust limit",
+    "read-only": "Read-only: Install udev rule for write access",
+    "button": "Configure Permissions"
+  }
+}