Move posts from Wordpress to physical markdown

config/filters/excerpt.js

@@ -0,0 +1,6 @@
+module.exports = function (eleventyConfig) {
+    eleventyConfig.addFilter('excerpt', (content, limit = 250) => {
+        const excerpt = content.replace(/(<([^>]+)>)/gi, "").slice(0, limit) + " […]";
+        return excerpt;
+    });
+}