chore: Pretendard 폰트 추가

Author: yewonJin

frontend/src/assets/fonts/Pretendard-Bold.subset.woff2

@@ -1,3 +1,30 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
+
+@font-face {
+  font-family: "Pretendard";
+  font-style: normal;
+  font-weight: 600;
+  src:
+    local("Pretendard Bold"),
+    url("./assets/fonts/Pretendard-Bold.subset.woff2") format("woff2");
+}
+
+@font-face {
+  font-family: "Pretendard";
+  font-style: normal;
+  font-weight: 500;
+  src:
+    local("Pretendard SemiBold"),
+    url("./assets/fonts/Pretendard-SemiBold.subset.woff2") format("woff2");
+}
+
+@font-face {
+  font-family: "Pretendard";
+  font-style: normal;
+  font-weight: 400;
+  src:
+    local("Pretendard Medium"),
+    url("./assets/fonts/Pretendard-Medium.subset.woff2") format("woff2");
+}

frontend/src/assets/fonts/Pretendard-Medium.subset.woff2

@@ -2,7 +2,9 @@
 export default {
   content: ["./index.html", "./src/**/*.{js,ts,jsx,tsx}"],
   theme: {
+    fontFamily: {
+      pretendard: ["Pretendard"],
+    },
     extend: {},
   },
-  plugins: [],
 };