SlimLauncher: Update ES translation

Translation by @Dhollmen

Change-Id: I1e8b0c711be1bece306c076a87bec5996f0efd29
SlimLauncher: Update PL translation

Translation by flither @ XDA

Change-Id: I4bf2c14a43bd2231d63c50365375e0ce5851cbd7
SlimLauncher: initial Dutch (NL) translation

Translation by RD1945 @ XDA

Change-Id: I2ed40057be79ca26cd7a2513eeb0d89d2be22e17
SlimLauncher: update DE translation

Change-Id: I21b97658c585582b69a01dea58cba262c9f8c291