Add full-save-file.json to .gitignore

Prevents full-save-file.json from being tracked by git, likely because it is a generated or environment-specific file.

Author: JorchCortez

.gitignore

@@ -17,6 +17,7 @@
 .env.development.local
 .env.test.local
 .env.production.local
+full-save-file.json
 
 npm-debug.log*
 yarn-debug.log*