Integrate view-map into ordoor

Now we can view scenario maps from the main game interface. We can't
cancel out of a scenario yet, though.

internal/assetstore/data.go

@@ -1,6 +1,9 @@
 package assetstore
 
 import (
+	"path/filepath"
+	"strings"
+
 	"code.ur.gs/lupine/ordoor/internal/config"
 	"code.ur.gs/lupine/ordoor/internal/data"
 )
@@ -22,6 +25,12 @@ func (a *AssetStore) Generic() (*data.Generic, error) {
 		return nil, err
 	}
 
+	// These changes are made so data in generic plays nicer with assetstore
+	for i, filename := range generic.CampaignMaps {
+		generic.CampaignMaps[i] =
+			strings.TrimSuffix(filename, filepath.Ext(filename))
+	}
+
 	a.generic = generic
 
 	return generic, nil