googler: add page (#3531)

pages/common/googler.md

@@ -0,0 +1,36 @@
+# googler
+
+> Search Google from command line.
+> More information: <https://github.com/jarun/googler>.
+
+- Search Google for a keyword:
+
+`googler {{keyword}}`
+
+- Search Google and open the first result in web browser:
+
+`googler -j {{keyword}}`
+
+- Show N search results (default 10):
+
+`googler -n {{N}} {{keyword}}`
+
+- Disable automatic spelling correction:
+
+`googler -x {{keyword}}`
+
+- Search one site for a keyword:
+
+`googler -w {{site}} {{keyword}}`
+
+- Show Google search result in JSON format:
+
+`googler --json {{keyword}}`
+
+- Perform in-place self-upgrade:
+
+`googler -u`
+
+- For more help in interactive mode:
+
+`?`