update terminal docs

Author: DannyBen

examples/variables/README.md

@@ -1,6 +1,6 @@
 # Variables Example
 
-Demonstrates how to define varaibles from the bashly.yml configuration.
+Demonstrates how to define variables from the bashly.yml configuration.
 
 This example was generated with:
 

lib/bashly/docs/command.yml

@@ -309,6 +309,28 @@ command.private:
       help: Send bash completions
       private: true
 
+command.variables:
+  help: Define a list of global bash variables.
+  url: https://bashly.dannyb.co/configuration/command/#variables
+  example: |-
+    variables:
+    # Simple value
+    - name: output_folder
+      value: output
+
+    # Array
+    - name: download_sources
+      value:
+      - youtube
+      - instagram
+
+    # Associative array
+    - name: zip_options
+      value:
+        pattern: "*.json"
+        compression_level: fast
+
+
 command.version:
   help: Specify the version to show when running with `--version`.
   url: https://bashly.dannyb.co/configuration/command/#version