add CI

.eslintrc.js

@@ -0,0 +1,44 @@
+
+module.exports = {
+    "root": true,
+    "ignorePatterns": [
+        "/node_modules/*",
+        "/vendor/*",
+    ],
+    "env": {
+        "browser": true,
+        "es6": true,
+        "jquery": true,
+    },
+    "extends": "eslint:recommended",
+    "globals": {
+        "CFG_GLPI": true,
+        "GLPI_PLUGINS_PATH": true,
+        "__": true,
+        "_n": true,
+        "_x": true,
+        "_nx": true
+    },
+    "parserOptions": {
+        "ecmaVersion": 8,
+    },
+    "plugins": [
+        "@stylistic/js",
+    ],
+    "rules": {
+        "no-console": ["error", {"allow": ["warn", "error"]}],
+        "no-unused-vars": ["error", {"vars": "local"}],
+        "@stylistic/js/eol-last": ["error", "always"],
+        "@stylistic/js/indent": ["error", 4],
+        "@stylistic/js/linebreak-style": ["error", "unix"],
+        "@stylistic/js/semi": ["error", "always"],
+    },
+    "overrides": [
+        {
+            "files": [".eslintrc.js"],
+            "env": {
+                "node": true
+            }
+        },
+    ],
+};

.phpcs.xml

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+<?xml version="1.0"?>
+<ruleset>
+    <file>.</file>
+    <exclude-pattern>/.git/</exclude-pattern>
+    <exclude-pattern type="relative">^node_modules/</exclude-pattern>
+    <exclude-pattern type="relative">^vendor/</exclude-pattern>
+
+    <arg name="colors" />
+    <arg name="extensions" value="php" />
+    <arg value="p" />
+    <arg name="warning-severity" value="0" />
+
+    <rule ref="PSR12">
+        <exclude name="Generic.Files.LineLength" />
+        <exclude name="PSR1.Classes.ClassDeclaration.MissingNamespace" />
+       <exclude name="PSR1.Methods.CamelCapsMethodName.NotCamelCaps" />
+    </rule>
+    <rule ref="Generic.Arrays.ArrayIndent"></rule>
+</ruleset>

phpstan.neon

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+parameters:
+    parallel:
+        maximumNumberOfProcesses: 2
+    level: 2
+    bootstrapFiles:
+        - ../../inc/based_config.php
+    paths:
+        - ajax
+        - front
+        - inc
+        - hook.php
+        - setup.php
+    scanDirectories:
+        - ../../inc
+        - ../../src
+    stubFiles:
+        - ../../stubs/glpi_constants.php
+rules:
+    - GlpiProject\Tools\PHPStan\Rules\GlobalVarTypeRule