web-search: add Google Scholar (#9014)

plugins/web-search/README.md

@@ -41,6 +41,7 @@ Available search contexts are:
 | `stackoverflow`       | `https://stackoverflow.com/search?q=`    |
 | `wolframalpha`        | `https://wolframalpha.com/input?i=`      |
 | `archive`             | `https://web.archive.org/web/*/`         |
+| `scholar`             | `https://scholar.google.com/scholar?q=`  |
 
 Also there are aliases for bang-searching DuckDuckGo:
 

plugins/web-search/web-search.plugin.zsh

@@ -22,6 +22,7 @@ function web_search() {
     stackoverflow  "https://stackoverflow.com/search?q="
     wolframalpha   "https://www.wolframalpha.com/input/?i="
     archive     "https://web.archive.org/web/*/"
+    scholar        "https://scholar.google.com/scholar?q="
   )
 
   # check whether the search engine is supported
@@ -60,6 +61,7 @@ alias givero='web_search givero'
 alias stackoverflow='web_search stackoverflow'
 alias wolframalpha='web_search wolframalpha'
 alias archive='web_search archive'
+alias scholar='web_search scholar'
 
 #add your own !bang searches here
 alias wiki='web_search duckduckgo \!w'