feat: add business exceptions

Author: maxjdev

src/main/java/br/com/catalog/exceptions/business_exceptions/BrandAlreadyExistsException.java

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+package br.com.catalog.exceptions.business_exceptions;
+
+public class BrandAlreadyExistsException extends RuntimeException {
+    public BrandAlreadyExistsException(String message) {
+        super(message);
+    }
+}

src/main/java/br/com/catalog/exceptions/business_exceptions/IllegalPageSizeException.java

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+package br.com.catalog.exceptions.business_exceptions;
+
+public class IllegalPageSizeException extends RuntimeException {
+    public IllegalPageSizeException(String message) {
+        super(message);
+    }
+}

src/main/java/br/com/catalog/exceptions/business_exceptions/InvalidTokenException.java

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+package br.com.catalog.exceptions.business_exceptions;
+
+public class InvalidTokenException extends RuntimeException {
+    public InvalidTokenException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/br/com/catalog/exceptions/business_exceptions/ProductAlreadyExistsException.java

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+package br.com.catalog.exceptions.business_exceptions;
+
+public class ProductAlreadyExistsException extends RuntimeException {
+    public ProductAlreadyExistsException(String message) {
+        super(message);
+    }
+}

src/main/java/br/com/catalog/exceptions/business_exceptions/UserAlreadyExistsException.java

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+package br.com.catalog.exceptions.business_exceptions;
+
+public class UserAlreadyExistsException extends RuntimeException {
+    public UserAlreadyExistsException(String message) {
+        super(message);
+    }
+}