refactor: remove GitHub authentication API endpoints and add new components

- Deleted GitHub callback and authentication handler files.
- Added new component for displaying headlines.
- Implemented hot news feed component with external API fetching.
- Created dynamic news provider page with routing.
- Developed news organization about page with animations and data fetching.
- Introduced a code of conduct document.

components/app/hot/index.vue

@@ -0,0 +1,64 @@
+<script lang="ts" setup>
+const ffeed = ref();
+const ass = ["健康2.0", "中天", "TVBS", "香港01", "ETtoday"];
+import Button from "~/components/ui/button/Button.vue";
+
+try {
+  const { data } = await useFetch("/api/rss/google");
+  ffeed.value = data.value;
+} catch (error) {
+  console.error("Error:", error);
+}
+</script>
+
+<template>
+  <div
+    v-for="item in ffeed"
+    class="justify-center align-center text-center p-4 border border-white rounded-lg m-4"
+  >
+    <span class="text-xl text-bold text-gray-100"
+      >{{ item.title }}
+      <span
+        v-if="ass.some((app) => item.title.includes(app))"
+        class="text-red-500 text-sm"
+      >
+        &nbsp;- 疑似來自有中資背景公司
+      </span>
+    </span>
+    <h4 class="text-gray-500 text-sm">
+      {{ new Date(item.date).toLocaleString() }}
+    </h4>
+    <div class="flex justify-center gap-2 mt-1">
+      <NuxtLink :to="item.link">
+        <Button>文章</Button>
+      </NuxtLink>
+      <NuxtLink>
+        <Button>關於媒體</Button>
+      </NuxtLink>
+    </div>
+    <br />
+    類似新聞:
+    <div v-for="itit in item.content">
+      <ul v-for="ititit in itit">
+        <li v-if="ititit.content?.[0].content[0] !== item.title">
+          &nbsp; -
+          <a :href="ititit.content?.[0].attributes?.href">{{
+            ititit.content?.[0].content[0]
+          }}</a>
+          -
+          <a :href="'/find/newsOrg?name=' + ititit.content?.[2].content[0]">{{
+            ititit.content?.[2].content[0]
+          }}</a>
+          <span
+            v-if="
+              ass.some((app) => ititit.content?.[2].content[0].includes(app))
+            "
+            class="text-red-500 text-sm"
+          >
+            &nbsp;- 疑似來自有中資背景公司
+          </span>
+        </li>
+      </ul>
+    </div>
+  </div>
+</template>