Added missing c++ files to Qt .pro file

radar-app.pro

@@ -29,7 +29,10 @@ PRE_TARGETDEPS += icons.ttf fonts.qrc
 SOURCES += \
         src/all_countries.cpp \
         src/app.cpp \
+        src/citiesloader.cpp \
+        src/countriesloader.cpp \
         src/database.cpp \
+        src/eventsloader.cpp \
         src/eventsmodel.cpp \
         src/locationprovider.cpp \
         src/main.cpp
@@ -66,7 +69,10 @@ else: unix:!android: target.path = /opt/$${TARGET}/bin
 HEADERS += \
     src/all_countries.h \
     src/app.h \
+    src/citiesloader.h \
+    src/countriesloader.h \
     src/database.h \
+    src/eventsloader.h \
     src/eventsmodel.h \
     src/locationprovider.h