Cause rr to download its binary into vendor/bin

Include default psalm config

composer.json

@@ -18,6 +18,8 @@
     "require-dev": {},
     "scripts": {
         "post-create-project-cmd": [
+            "php -r \"chdir(__DIR__. '/vendor/bin');\"",
+
             "rr get-binary"
         ]
     }

psalm.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0"?>
+<psalm
+    errorLevel="3"
+    allowNamedArgumentCalls="false"
+    resolveFromConfigFile="true"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+>
+    <projectFiles>
+        <directory name="AllModules" />
+
+        <ignoreFiles>
+            <directory name="vendor" />
+            <directory name="ModuleTemplate" />
+        </ignoreFiles>
+
+        <ignoreFiles>
+            <directory name="*/compiled-views" />
+        </ignoreFiles>
+    </projectFiles>
+
+    <issueHandlers>
+        <PossiblyUnusedMethod errorLevel="suppress" />
+        <PossiblyUnusedParam errorLevel="suppress" />
+        <PossiblyUnusedProperty errorLevel="suppress" />
+        <PossiblyUnusedReturnValue errorLevel="suppress" />
+    </issueHandlers>
+</psalm>