feat: add script to initialize project structure

- create `makeday.sh` script to set up project directories
- generate `main.go` and `main.py` templates with basic structure
- add input file creation for the specified or current day
- include author information and license in script and templates

🤖

makeday.sh

@@ -0,0 +1,55 @@
+#! /bin/bash
+# vim: ts=2:sw=2:sts=2:tw=95:ai:fo+=ro
+
+## Author: Sebastian Mark
+## CC-BY-SA (https://creativecommons.org/licenses/by-sa/4.0/deed.de)
+
+if [[ $# -eq 0 ]]; then
+  YEAR=$(date +%Y)
+  DAY=$(date +%d)
+  T=${YEAR}/${DAY}
+else
+  T=$1
+fi
+
+mkdir -p $T
+touch ${T}/input
+
+cat <<EOT >${T}/main.go
+package main
+
+import (
+	"fmt"
+
+	"aoc/helper"
+)
+
+func main() {
+}
+EOT
+
+cat <<EOT >${T}/main.py
+#!/usr/bin/env python
+# -*- encoding: utf-8; py-indent-offset: 4 -*-
+
+# Author: Sebastian Mark
+# CC-BY-SA (https://creativecommons.org/licenses/by-sa/4.0/deed.de)
+
+# pylint: disable=missing-module-docstring,missing-function-docstring,consider-using-f-string
+
+
+def readinput():
+    with open("input", "r", encoding="utf-8") as file:
+        lines = file.readlines()
+    return lines
+
+
+def main():
+    pass
+
+
+if __name__ == "__main__":
+    main()
+EOT
+
+echo "initialized $T"