Docs: expand info about use with worker threads

docs/search-index/extract.js

@@ -9,7 +9,7 @@ const extractDescription = (str) =>
     .replace(/\s+/g, ' ')
     .replace(/[^A-Za-z0-9_/\-,. ]/g, '')
     .replace(/\s+/g, ' ')
-    .substr(0, 180)
+    .substring(0, 200)
     .trim();
 
 const extractParameters = (str) =>

docs/search-index/stop-words.js

@@ -21,6 +21,7 @@ module.exports = [
   'can',
   'containing',
   'contains',
+  'created',
   'current',
   'date',
   'default',
@@ -43,6 +44,8 @@ module.exports = [
   'how',
   'image',
   'implies',
+  'include',
+  'including',
   'involve',
   'its',
   'last',
@@ -69,6 +72,7 @@ module.exports = [
   'provided',
   'ready',
   'requires',
+  'requiresharp',
   'returned',
   'same',
   'see',
@@ -77,6 +81,7 @@ module.exports = [
   'should',
   'since',
   'site',
+  'some',
   'specified',
   'spelling',
   'such',