vgs: add page (#4164)

Co-authored-by: Zlatan Vasović <zlatanvasovic@gmail.com>
Co-authored-by: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>

pages/linux/vgs.md

@@ -0,0 +1,32 @@
+# vgs
+
+> Display information about LVM volume groups.
+> More information: https://man7.org/linux/man-pages/man8/vgs.8.html .
+
+- Display information about volume groups:
+
+`vgs`
+
+- Display all volume groups:
+
+`vgs -a`
+
+- Change default display to show more details:
+
+`vgs -v`
+
+- Display only specific fields:
+
+`vgs -o {{field_name_1}},{{field_name_2}}`
+
+- Append field to default display:
+
+`vgs -o +{{field_name}}`
+
+- Suppress heading line:
+
+`vgs --noheadings`
+
+- Use separator to separate fields:
+
+`vgs --separator =`