chore: add config command to docs

docs/aspect_config.md

@@ -0,0 +1,28 @@
+---
+sidebar_label: "config"
+---
+## aspect config
+
+Displays details of configurations.
+
+```
+aspect config [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for config
+```
+
+### Options inherited from parent commands
+
+```
+      --aspect:config string   User-specified Aspect CLI config file. /dev/null indicates that all further --aspect:config flags will be ignored.
+      --aspect:interactive     Interactive mode (e.g. prompts for user input)
+```
+
+### SEE ALSO
+
+* [aspect](aspect.md)	 - Aspect CLI
+

docs/command_list.bzl

@@ -7,6 +7,7 @@ COMMAND_LIST = [
     "build",
     "canonicalize-flags",
     "clean",
+    "config",
     "configure",
     "coverage",
     "cquery",