2025 go 1.1 pass

Author: BlackthornYugen

2025/README.md

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+# Advent of Code 2025 - Go
+
+## Structure
+Each day is in its own folder (e.g., `day01`, `day02`).
+
+## Running
+To run a day's solution:
+```bash
+cd dayXX
+go run main.go
+```
+
+## Testing
+To run tests for a day:
+```bash
+cd dayXX
+go test -v
+```