Translations update from Hosted Weblate (#1662)

Translations update from [Hosted Weblate](https://hosted.weblate.org)
for
[KernelSU/Manager](https://hosted.weblate.org/projects/kernelsu/manager/).



Current translation status:

![Weblate translation
status](https://hosted.weblate.org/widget/kernelsu/manager/horizontal-auto.svg)

---------

Co-authored-by: Fede2782 <78815152+Fede2782@users.noreply.github.com>
Co-authored-by: Ričards L <ricards.lacis18@gmail.com>
Co-authored-by: Pierre GRASSER <pierre.grasser@proton.me>
Co-authored-by: yuztass <inkognito0901@gmail.com>
Co-authored-by: AndroPlus <hosigumayuugi@gmail.com>
Co-authored-by: dabao1955 <dabao1955@163.com>
Co-authored-by: Igor Sorocean <sorocean.igor@gmail.com>

manager/app/src/main/res/values-ro/strings.xml

@@ -125,4 +125,7 @@
     <string name="settings_uninstall_permanent">Dezinstalează definitiv</string>
     <string name="settings_uninstall_permanent_message">Dezinstalare KernelSU (Root și toate modulele) complet și permanent.</string>
     <string name="settings_restore_stock_image_message">Restaurează imaginea stoc din fabrică (dacă există o copie de rezervă), utilizată de obicei înainte de OTA; dacă trebuie să dezinstalezi KernelSU, utilizează „Dezinstalare permanentă”.</string>
+    <string name="flashing">Instalare</string>
+    <string name="flash_success">Instalare reușită</string>
+    <string name="flash_failed">Instalarea a eșuat</string>
 </resources>