feat: Add Heimerdinger PHP CS rules for Laravel

- Added a new phpcs.xml.dist file with specific coding standards for Laravel development.

.phpcs.xml.dist

@@ -0,0 +1,67 @@
+<ruleset name="Heimerdinger">
+    <description>Heimerdinger PHP CS rules for Laravel</description>
+
+    <!-- Ignore normal Laravel files and folders -->
+    <exclude-pattern>*/cache/*</exclude-pattern>
+    <exclude-pattern>*/*.js</exclude-pattern>
+    <exclude-pattern>*/*.css</exclude-pattern>
+    <exclude-pattern>*/*.xml</exclude-pattern>
+    <exclude-pattern>*/*.blade.php</exclude-pattern>
+    <exclude-pattern>*/autoload.php</exclude-pattern>
+    <exclude-pattern>*/storage/*</exclude-pattern>
+    <exclude-pattern>*/docs/*</exclude-pattern>
+    <exclude-pattern>*/vendor/*</exclude-pattern>
+    <exclude-pattern>*/migrations/*</exclude-pattern>
+
+    <!-- Hard-code command-line parameters -->
+    <arg name="colors" />
+    <arg value="p" />
+
+    <!-- PSR1 2.3 Side Effects -->
+    <rule ref="PSR1.Files.SideEffects">
+        <!-- Disable side effects for index file -->
+        <exclude-pattern>/public/index.php</exclude-pattern>
+    </rule>
+
+    <!-- PSR1 3 Namespaces and classes MUST follow PSR-0. -->
+    <rule ref="PSR1.Classes.ClassDeclaration" />
+
+    <!-- Disable missing namespace rule for tests and database files -->
+    <rule ref="PSR1.Classes.ClassDeclaration.MissingNamespace">
+        <exclude-pattern>*/database/*</exclude-pattern>
+        <exclude-pattern>*/tests/*</exclude-pattern>
+    </rule>
+
+    <!-- PSR1 4.1 Class constants MUST be declared in all upper case with underscore separators. -->
+    <rule ref="Generic.NamingConventions.UpperCaseConstantName" />
+
+    <!-- PSR1 4.3 Method names MUST be declared in camelCase(). -->
+    <rule ref="PSR1.Methods.CamelCapsMethodName" />
+
+    <!-- Disable camel caps rule for tests -->
+    <rule ref="PSR1.Methods.CamelCapsMethodName.NotCamelCaps">
+        <exclude-pattern>*/tests/*</exclude-pattern>
+    </rule>
+
+    <!-- No compact() and no 'dumps' -->
+    <rule ref="Generic.PHP.ForbiddenFunctions">
+        <properties>
+            <property name="forbiddenFunctions" type="array">
+                <element key="compact" value="null" />
+                <element key="dd" value="null" />
+                <element key="dump" value="null" />
+                <element key="var_dump" value="null" />
+                <element key="ray" value="null" />
+            </property>
+        </properties>
+    </rule>
+
+    <!-- Use config() over env() -->
+    <rule ref="Tighten.PHP.UseConfigOverEnv">
+        <exclude-pattern>/config/*</exclude-pattern>
+    </rule>
+
+    <!-- Class name should match the file name -->
+    <rule ref="Squiz.Classes.ClassFileName" />
+
+</ruleset>