feat: custom splash text

[1673beta]

What

スプラッシュ画面でカスタムテキストを表示できるように

Why

https://c.koliosky.com/notes/9x1qfimblc7u0469

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Update CHANGELOG_CHERRYPICK.md
• (If possible) Add tests

[1673beta]

/preview

[github-actions]

이 PR에 의한 api.json 차이

차이점은 여기에서 볼 수 있음

--- base
+++ head
@@ -646,6 +646,12 @@
                         "string",
                         "null"
                       ]
+                    },
+                    "customSplashText": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
                     }
                   },
                   "required": [
@@ -760,7 +766,8 @@
                     "doNotSendNotificationEmailsForAbuseReport",
                     "emailToReceiveAbuseReport",
                     "enableReceivePrerelease",
-                    "skipVersion"
+                    "skipVersion",
+                    "customSplashText"
                   ]
                 }
               }
@@ -15840,6 +15847,15 @@
                       "string",
                       "null"
                     ]
+                  },
+                  "customSplashText": {
+                    "type": [
+                      "array",
+                      "null"
+                    ],
+                    "items": {
+                      "type": "string"
+                    }
                   }
                 }
               }

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[1673beta]

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[1673beta]

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[1673beta]

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[1673beta]

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[1673beta]

tgaがうまく動いてないの、要対応かも