improvement: add frame signals to upper anim

sonic-radiance.love/datas/gamedata/characters/amy/sprites.lua

@@ -161,12 +161,13 @@ return {
       speed       = 15,
       pauseAtEnd  = false,
     },
-    ["hammer2"] = {
+    ["upper"] = {
       startAt     = 83,
       endAt       = 95,
       loop        = 83,
       speed       = 15,
       pauseAtEnd  = false,
+      signal = {{5, "tornado"}, {7, "hitconnect"}}
     },
     ["gift"] = {
       startAt     = 96,

sonic-radiance.love/datas/gamedata/characters/sonic/sprites.lua

@@ -147,12 +147,13 @@ return {
       speed       = 20,
       pauseAtEnd  = false,
     },
-    ["updraft"] = {
+    ["upper"] = {
       startAt     = 81,
       endAt       = 89,
       loop        = 81,
       speed       = 18,
       pauseAtEnd  = false,
+      signal = {{2, "tornado"}, {3, "hitconnect"}}
     },
     ["heal"] = {
       startAt     = 90,