Fix readme.md format for reference links

Leonid Buneev · Leonid Buneev · commit cf4f74d13468 · 2021-04-05T00:12:27.000+02:00
diff --git a/README.md b/README.md
@@ -146,6 +146,5 @@ module.exports = {
 }
 ```
 
-[flexsearch-options][https://github.com/nextapps-de/flexsearch#initialize-index]
-
-[search-max-suggestions][https://vuepress.vuejs.org/theme/default-theme-config.html#built-in-search]
+[flexsearch-options]: https://github.com/nextapps-de/flexsearch#initialize-index
+[search-max-suggestions]: https://vuepress.vuejs.org/theme/default-theme-config.html#built-in-search

Original file line number	Diff line number	Diff line change
`@@ -146,6 +146,5 @@ module.exports = {`
`146`	`146`	`}`
`147`	`147`	```
`148`	`148`
`149`		`-[flexsearch-options][https://github.com/nextapps-de/flexsearch#initialize-index]`
`150`		`-`
`151`		`-[search-max-suggestions][https://vuepress.vuejs.org/theme/default-theme-config.html#built-in-search]`
	`149`	`+[flexsearch-options]: https://github.com/nextapps-de/flexsearch#initialize-index`
	`150`	`+[search-max-suggestions]: https://vuepress.vuejs.org/theme/default-theme-config.html#built-in-search`