add Block + Component, add TextComponent with min, max and regex validators and early NumberComponent

internal/block/text_component/validators/regex.go

@@ -0,0 +1,24 @@
+package text_component_validators
+
+import (
+	"blocky/internal/block/text_component"
+	"fmt"
+	"regexp"
+)
+
+func Regex(pattern string) text_component.TextComponentOption {
+	re := regexp.MustCompile(pattern)
+
+	return func(c *text_component.TextComponentConfig) {
+		c.Validators = append(c.Validators, func(value any) error {
+			s, ok := value.(string)
+			if !ok {
+				return fmt.Errorf("provided value bust be a string: %v", value)
+			}
+			if !re.MatchString(s) {
+				return fmt.Errorf("must match pattern %s", pattern)
+			}
+			return nil
+		})
+	}
+}