chore: include pre-built dist for github install

dist/shared/first-message-variant.d.ts

@@ -0,0 +1,11 @@
+type SessionInfo = {
+    id?: string;
+    parentID?: string;
+};
+export declare function createFirstMessageVariantGate(): {
+    markSessionCreated(info?: SessionInfo): void;
+    shouldOverride(sessionID?: string): boolean;
+    markApplied(sessionID?: string): void;
+    clear(sessionID?: string): void;
+};
+export {};