setup the skeletal structure for Eq, Comp and Gate.

implement strip/bus eq on commands.

internal/xair/comp.go

@@ -0,0 +1,20 @@
+package xair
+
+type Comp struct {
+	client      *Client
+	baseAddress string
+}
+
+func newCompForStrip(c *Client) *Comp {
+	return &Comp{
+		client:      c,
+		baseAddress: c.addressMap["strip"],
+	}
+}
+
+func newCompForBus(c *Client) *Comp {
+	return &Comp{
+		client:      c,
+		baseAddress: c.addressMap["bus"],
+	}
+}