sspai matrix (#1432)

Add support for sspai matrix column [^1].

[^1] https://sspai.com/matrix

lib/routes/sspai/matrix.js

@@ -0,0 +1,23 @@
+const axios = require('../../utils/axios');
+
+module.exports = async (ctx) => {
+    const api_url = 'https://sspai.com/api/v1/articles?offset=0&limit=20&is_matrix=1&sort=matrix_at&include_total=false';
+    const resp = await axios({
+        method: 'get',
+        url: api_url,
+    });
+    const data = resp.data.list;
+
+    ctx.state.data = {
+        title: '少数派 -- Matrix',
+        link: 'https://sspai.com/matrix',
+        description: '少数派 -- Matrix',
+        item: data.map((item) => ({
+            title: item.title.trim(),
+            description: item.summary.trim(),
+            link: `https://sspai.com/post/${item.id}`,
+            pubDate: new Date(item.released_at * 1000).toUTCString(),
+            author: item.author.nickname,
+        })),
+    };
+};