add documentation for save, config

docs/commands/config.md

@@ -6,7 +6,6 @@ Syntax: `config {flags}`
 
 ### Flags
 
-
     --load <file path shape>
       load the config from the path give
 
@@ -31,7 +30,7 @@ Syntax: `config {flags}`
 ### Variables
 
 | Variable   | Type             | Description                                             |
-| ------------- | ------------- | ----- |
+| ---------- | ---------------- | ------------------------------------------------------- |
 | path       | table of strings | PATH to use to find binaries                            |
 | env        | row              | the environment variables to pass to external commands  |
 | ctrlc_exit | boolean          | whether or not to exit Nu after multiple ctrl-c presses |

docs/commands/save.md

@@ -0,0 +1,28 @@
+# save
+
+This command saves the contents of the pipeline to a file. Use this in combination with the `to-json`, `to-csv`, ... commands to save the contents in the specified format.
+
+Syntax: `save (path) {flags}`
+
+### Parameters:
+
+* `(path)` the path to save contents to
+
+### Flags
+
+    --raw
+      treat values as-is rather than auto-converting based on file extension
+
+## Example
+
+You can save the name of files in a directory like this:
+
+```shell
+> ls | where type == File | pick name | save
+```
+
+Or you can format it in supported formats using one of the `to-*` commands:
+
+```shell
+> ls | where type == File | pick name | to-csv | save
+```