ignore ".specs" folder for lua

Author: maltejur

.prettierrc

@@ -0,0 +1,6 @@
+{
+  "trailingComma": "es5",
+  "tabWidth": 2,
+  "semi": true,
+  "singleQuote": false
+}

scripts/fetch-algorithms.ts

@@ -455,6 +455,7 @@ function isValidCategory(name: string) {
     "github",
     "ipynbcheckpoints",
     "leetcode",
+    "spec",
   ]) {
     if (normalize(name).includes(exclude)) return false;
   }