component def update

basics/calculator.md

@@ -0,0 +1,17 @@
+# Component definitions
+
+## Simple calculator
+
+```yaml
+code: basics.calculator
+description: Do simple operations for numbers in `args` input.
+inputs:
+  - operator: string enum { add, subtract, multiply, divide }
+  - args: object[]
+outputs:
+  - result: object
+source: S8n.Components.Packages (project)
+class: S8n.Components.Basics.Calculator
+methods: Calc()
+gui: CalculatorComponent.vue
+```