add 'float' type checker

internal/checker/default/float/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"git.xdrm.io/go/aicra/driver"
+)
+
+func main()                  {}
+func Export() driver.Checker { return new(FloatChecker) }
+
+type FloatChecker int
+
+// Match matches the string 'int'
+func (fck FloatChecker) Match(name string) bool {
+	return name == "float"
+}
+
+// Check returns true for any type from the @validationTable
+func (fck FloatChecker) Check(value interface{}) bool {
+
+	// check if float (default wrapping type)
+	_, ok := value.(float64)
+	return ok
+
+}