grav update + admin panel install

.github/FUNDING.yml

@@ -0,0 +1,8 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: grav
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+custom: # Replace with a single custom sponsorship URL

.phan/config.php

@@ -0,0 +1,44 @@
+<?php
+return [
+    "target_php_version" => null,
+    'pretend_newer_core_functions_exist' => true,
+    'allow_missing_properties' => false,
+    'null_casts_as_any_type' => false,
+    'null_casts_as_array' => false,
+    'array_casts_as_null' => false,
+    'strict_method_checking' => true,
+    'quick_mode' => false,
+    'simplify_ast' => false,
+    'directory_list' => [
+        '.',
+    ],
+    "exclude_analysis_directory_list" => [
+        'vendor/'
+    ],
+    'exclude_file_list' => [
+        'system/src/Grav/Common/Errors/Resources/layout.html.php',
+        'tests/_support/AcceptanceTester.php',
+        'tests/_support/FunctionalTester.php',
+        'tests/_support/UnitTester.php',
+    ],
+    'autoload_internal_extension_signatures' => [
+        'memcached' => '.phan/internal_stubs/memcached.phan_php',
+        'memcache' => '.phan/internal_stubs/memcache.phan_php',
+        'redis' => '.phan/internal_stubs/Redis.phan_php',
+    ],
+    'plugins' => [
+        'AlwaysReturnPlugin',
+        'UnreachableCodePlugin',
+        'DuplicateArrayKeyPlugin',
+        'PregRegexCheckerPlugin',
+        'PrintfCheckerPlugin',
+    ],
+    'suppress_issue_types' => [
+        'PhanUnreferencedUseNormal',
+        'PhanTypeObjectUnsetDeclaredProperty',
+        'PhanTraitParentReference',
+        'PhanTypeInvalidThrowsIsInterface',
+        'PhanRequiredTraitNotAdded',
+        'PhanDeprecatedFunction',  // Uncomment this to see all the deprecated calls
+    ]
+];