vgrep: add page (#8383)

* vgrep: add page

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>

* vgrep: fix token syntax

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>

* vgrep: appease the linter

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>

pages/common/vgrep.md

@@ -0,0 +1,33 @@
+# vgrep
+
+> A user friendly pager for grep.
+> See also: `ugrep`, `rg`.
+> More information: <https://github.com/vrothberg/vgrep>.
+
+- Recursively search the current directory for a pattern and cache it:
+
+`vgrep {{search_pattern}}`
+
+- Display the contents of the cache:
+
+`vgrep`
+
+- Open the "4th" match from the cache in the default editor:
+
+`vgrep --show {{4}}`
+
+- Display a context of "3" lines for each match in the cache:
+
+`vgrep --show=context{{3}}`
+
+- Display the number of matches for each directory in the tree:
+
+`vgrep --show=tree`
+
+- Display the number of matches for each file in the tree:
+
+`vgrep --show=files`
+
+- Start an interactive shell with cached matches:
+
+`vgrep --interactive`