Generate connector form based on meta-data (#62)

* Ignore volumes and exe

* Export form meta-data

* use dynamic metaform for connectors

* fix populating form

pkg/metaform/metaform.go

@@ -0,0 +1,28 @@
+package metaform
+
+// Option represents a selectable option for FieldOption type
+type Option struct {
+  Value string `json:"value"`
+  Label string `json:"label"`
+}
+
+type FieldKind string
+
+const (
+  FieldString FieldKind = "string"
+  FieldNumber FieldKind = "number"
+  FieldOptions FieldKind = "options"
+)
+
+type Field struct {
+  Kind FieldKind `json:"kind"`
+  Name string `json:"name"`
+  Label string `json:"label"`
+  Required bool `json:"required"`
+  Placeholder string `json:"placeholder,omitempty"`
+  Options []Option `json:"options,omitempty"`
+}
+
+type Form struct {
+  Fields []Field
+}