Add example for command n,g,p and grid, update date now examples (#4622)

docs/commands/grid.md

@@ -15,3 +15,30 @@ Renders the output to a textual terminal grid.
  -  `--width {int}`: number of terminal columns wide (not output columns)
  -  `--color`: draw output with color
  -  `--separator {string}`: character to separate grid with
+
+## Examples
+
+Render a simple list to a grid
+```shell
+> [1 2 3 a b c] | grid
+```
+
+The above example is the same as:
+```shell
+> [1 2 3 a b c] | wrap name | grid
+```
+
+Render a record to a grid
+```shell
+> {name: 'foo', b: 1, c: 2} | grid
+```
+
+Render a list of records to a grid
+```shell
+> [{name: 'A', v: 1} {name: 'B', v: 2} {name: 'C', v: 3}] | grid
+```
+
+Render a table with 'name' column in it to a grid
+```shell
+> [[name patch]; [0.1.0 $false] [0.1.1 $true] [0.2.0 $false]] | grid
+```