add 'bool' type checker

internal/checker/default/bool/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"git.xdrm.io/go/aicra/driver"
+)
+
+func main()                  {}
+func Export() driver.Checker { return new(BoolChecker) }
+
+type BoolChecker int
+
+// Match matches the string 'bool'
+func (bck BoolChecker) Match(name string) bool {
+	return name == "bool"
+}
+
+// Check returns true for any type from the @validationTable
+func (bck BoolChecker) Check(value interface{}) bool {
+
+	// check if bool
+	_, ok := value.(bool)
+	return ok
+
+}