fix: add exclude private no underscore

Author: Nur Arif Prihutomo

phpcs.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" ?>
+<ruleset name="Brispot Microservice Coding Standard Ruleset">
+  <description>A number of ruleset coding standard style that defined by Brispot Principle Team.</description>
+  <rule ref="PSR1" />
+  <rule ref="PSR12" />
+  <rule ref="PEAR">
+    <exclude name="PEAR.NamingConventions.ValidVariableName.PrivateNoUnderscore" />
+		<exclude name="PEAR.NamingConventions.ValidFunctionName.PrivateNoUnderscore" />
+  </rule>
+  <rule ref="Generic.PHP.RequireStrictTypes" />
+  <file>src/</file>
+  <file>tests/</file>
+  <exclude-pattern>vendor</exclude-pattern>
+  <exclude-pattern>resources</exclude-pattern>
+  <exclude-pattern>database/</exclude-pattern>
+  <exclude-pattern>storage/</exclude-pattern>
+</ruleset>