Merge pull request #435 from vania-pooh/master

Added Opera 78.0 image information

Author: vania-pooh

docs/opera.adoc

@@ -65,6 +65,7 @@ We do not consider these images really stable. Many of base operations like work
 | selenoid/opera:75.0 | selenoid/vnc_opera:75.0 | 89.0.4389.82 | 75.0.3969.93
 | selenoid/opera:76.0 | selenoid/vnc_opera:76.0 | 90.0.4430.85 | 76.0.4017.107
 | selenoid/opera:77.0 | selenoid/vnc_opera:77.0 | 91.0.4472.77 | 77.0.4054.90
+| selenoid/opera:78.0 | selenoid/vnc_opera:78.0 | 92.0.4515.107 | 78.0.4093.184
 |===
 
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