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/plugin.toml

@@ -0,0 +1,43 @@
+id           = "damian-ds7/battery-threshold"
+name         = "Battery Threshold Control"
+version      = "1.0.0"
+plugin_api   = 3
+author       = "Damian D'Souza"
+description  = "Set the battery threshold for laptop batteries to extend battery lifespan"
+license      = "MIT"
+icon         = "battery-eco"
+tags         = ["hardware", "system", "utility", "bar", "panel"]
+dependencies = ["test", "pkexec", "bash", "cat", "getent", "groupadd", "usermod", "udevadm", "chgrp", "chmod"]
+
+[[service]]
+id    = "service"
+entry = "service.luau"
+
+[[widget]]
+id    = "battery-threshold"
+entry = "widget.luau"
+
+[[panel]]
+id              = "panel"
+entry           = "panel.luau"
+width           = 320
+height          = 220
+placement       = "floating"
+position        = "center"
+open_near_click = true
+
+[[setting]]
+key             = "battery_device"
+type            = "folder"
+label_key       = "settings.battery-device"
+description_key = "settings.battery-device-desc"
+default         = "/sys/class/power_supply/BAT0"
+
+[[setting]]
+key             = "charge_threshold"
+type            = "int"
+label_key       = "settings.charge-threshold"
+description_key = "settings.charge-threshold-desc"
+default         = 80
+min             = 40
+max             = 100