Added 2 melodic techno progressions

Author: ldrolez

chords.py

@@ -58,6 +58,7 @@
     "Isus2 I vi7 visus4 =Playful Romantic",
     "IV I ii vi =Nostalgic Peaceful",
     "IV I iii IV =Playful Joyful",
+    "IV I IV6 Iadd9 =Relaxed Joyful",
     "IV I V vi =Joyful Romantic",
     "IV IV I V =Joyful Hopeful",
     "IV vi I V =Hopeful Romantic",
@@ -179,6 +180,7 @@
     "im bIIIM bVIIM IV =Romantic Nostalgic",
     "im bIIIM bVIM V =Mysterious Triumphant",
     "im bIIIM IV bVIM =Mysterious Hopeful",
+    "im bIIIsus2 IV IV =Mysterious Peaceful",
     "im bIIM bIIIM bIIM =Mysterious Dark",
     "im bIIM biim6 ivm =Mysterious Tender",
     "im bIIM im7 bviim =Mysterious Spiritual",