Add initial project setup with Docker, GitHub Actions, and meal timetable functionality

- Create Dockerfile for multi-stage build
- Set up GitHub Actions workflow for CI/CD
- Implement meal and timetable fetching logic
- Add README and configuration files
- Include cron job for scheduled execution
- Establish .gitignore for build artifacts and environment files

app/lib/discord.ts

@@ -0,0 +1,77 @@
+import getTimetable from "./comcigan";
+import { getMealInfo, NameToEmoji, removeNutritionInfo } from "./meal";
+
+export async function Meal({ MLSV_YMD, ATPT_OFCDC_SC_CODE, SD_SCHUL_CODE, username, schoolName, WEBHOOK_URL }: { MLSV_YMD: string, ATPT_OFCDC_SC_CODE: string, SD_SCHUL_CODE: string, username: string, schoolName: string, WEBHOOK_URL: string }) {
+  const mealInfo = await getMealInfo(MLSV_YMD, ATPT_OFCDC_SC_CODE, SD_SCHUL_CODE);
+  //const isVTS = vts.VTS임(MLSV_YMD);
+
+  const lines = removeNutritionInfo(mealInfo.meal).split("\n");
+  let emojis = (await NameToEmoji(lines.toString())).split(",");
+
+  const data = {
+    content: `${MLSV_YMD.slice(0, 4)}년 ${MLSV_YMD.slice(4, 6)}월 ${MLSV_YMD.slice(6, 8)}일 급식 정보`,
+    username: username,
+    embeds: [
+      {
+        title: `🏫 | ${schoolName}`,
+        description: lines.map((line, index) => `${emojis[index] || "❓"} ${line}`).join("\n"),
+        footer: {
+          text: `🔥 ${mealInfo.kcal}`
+        }
+      },
+    ],
+  };
+
+  console.log("🏓 | Sending Payload");
+  const response = await fetch(WEBHOOK_URL, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify(data),
+  });
+
+  if (!response.ok) {
+    console.error("Error sending Discord webhook:", response.statusText);
+  } else {
+    console.log(`✨ | Payload successfully sent, code ${response.status}`);
+  }
+}
+
+
+export async function Timetable({ schoolId, grade, classNum, weekday, WEBHOOK_URL }: { schoolId: number, grade: number, classNum: number, weekday: number, WEBHOOK_URL: string }) {
+  const timetableInfo = await getTimetable({ schoolId, grade, classNum, weekday });
+
+  console.log("🏓 | Timetable Info Retrieved", timetableInfo);
+  const data = {
+    content: `📅 | ${grade}학년 ${classNum}반 시간표 정보`,
+    embeds: [
+      {
+        title: `🏫 | 학교 : 선린인터넷고등학교`,
+        fields: (timetableInfo ?? []).map((item) => ({
+          name: `${item.subject}${item.changed ? (" *") : ""}`,
+          value: item.teacher,
+          inline: false,
+        })),
+        footer: {
+          text: `${["월", "화", "수", "목", "금"][weekday - 1]}요일 시간표 정보`
+        }
+      },
+    ],
+  };
+
+  console.log("🏓 | Sending Payload");
+  const response = await fetch(WEBHOOK_URL, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify(data),
+  });
+
+  if (!response.ok) {
+    console.error("Error sending Discord webhook:", response.statusText);
+  } else {
+    console.log(`✨ | Payload successfully sent, code ${response.status}`);
+  }
+}