Docs: include more relevant content in search index

docs/search-index/extract.js

@@ -8,7 +8,7 @@ const extractDescription = (str) =>
     .replace(/\s+/g, ' ')
     .replace(/[^A-Za-z0-9_/\-,. ]/g, '')
     .replace(/\s+/g, ' ')
-    .substr(0, 140)
+    .substr(0, 180)
     .trim();
 
 const extractKeywords = (str) =>

docs/search-index/stop-words.js

@@ -4,14 +4,19 @@ module.exports = [
   'about',
   'after',
   'all',
+  'allows',
   'already',
+  'also',
   'alternative',
   'always',
   'and',
   'any',
   'are',
+  'based',
   'been',
   'before',
+  'both',
+  'call',
   'can',
   'containing',
   'default',
@@ -30,7 +35,10 @@ module.exports = [
   'have',
   'how',
   'image',
+  'involve',
   'its',
+  'least',
+  'lots',
   'may',
   'more',
   'most',
@@ -40,17 +48,24 @@ module.exports = [
   'not',
   'occur',
   'occurs',
+  'options',
   'over',
   'perform',
   'performs',
   'provide',
   'provided',
+  'ready',
+  'same',
+  'see',
   'set',
   'sets',
   'should',
+  'since',
   'spelling',
+  'such',
   'support',
   'supported',
+  'sure',
   'take',
   'that',
   'the',
@@ -59,6 +74,9 @@ module.exports = [
   'therefore',
   'these',
   'this',
+  'under',
+  'unless',
+  'until',
   'use',
   'used',
   'using',
@@ -69,5 +87,6 @@ module.exports = [
   'while',
   'will',
   'with',
-  'without'
+  'without',
+  'you'
 ];