Euryale's Gambit 1.0.18

No new content, just a maintenance update with some fixes and dialog improvements (for continuity with Athena's Revenge). 

Changes:

• Add title music
• Add some sound effects to intro
• Minor dialog fixes to intro
• Dialog changes to Ash and Igret scene in "End Game"
• Fix image intro_bounty_21, intro_meteor_18,19,20,spoons_cabin_5
• Add Spanish AI translation.
• Use AV1 encoding for video files (better quality/compression)