feat(translate): keep translated subtitles next to the video so they load on reopen (#14)

Co-authored-by: Tri Vo Khac <git@trivk.dev>

src/CMakeLists.txt

@@ -1,5 +1,5 @@
-# Code without UI (subtitles, mpv.conf handling), kept apart from the app so autotests
-# can link it.
+# Code without UI (subtitles, mpv.conf handling, where translations are saved), kept
+# apart from the app so autotests can link it.
 add_library(qtpotato_core STATIC
     mpv/mpvuserconfig.cpp
     mpv/mpvuserconfig.h
@@ -9,8 +9,10 @@ add_library(qtpotato_core STATIC
     subtitles/subtitleparser.h
     subtitles/subtitleextractor.cpp
     subtitles/subtitleextractor.h
+    translate/translationstore.cpp
+    translate/translationstore.h
 )
-target_include_directories(qtpotato_core PUBLIC mpv subtitles)
+target_include_directories(qtpotato_core PUBLIC mpv subtitles translate)
 target_link_libraries(qtpotato_core PUBLIC
     Qt6::Core
     KF6::I18n