chore: fix workflow, enable phpstan, bump js deps

.github/workflows/backend.yml

@@ -0,0 +1,11 @@
+name: Level Ranks PHP
+
+on: [workflow_dispatch, push, pull_request]
+
+jobs:
+  run:
+    uses: flarum/framework/.github/workflows/REUSABLE_backend.yml@main
+    with:
+      enable_backend_testing: false
+
+      backend_directory: .

.github/workflows/frontend.yml

@@ -0,0 +1,19 @@
+name: Level Ranks JS
+
+on: [workflow_dispatch, push, pull_request]
+
+jobs:
+  run:
+    uses: flarum/framework/.github/workflows/REUSABLE_frontend.yml@main
+    with:
+      enable_bundlewatch: false
+      enable_prettier: true
+      enable_typescript: true
+
+      frontend_directory: ./js
+      backend_directory: .
+      js_package_manager: npm
+      main_git_branch: master
+
+    secrets:
+      bundlewatch_github_token: ${{ secrets.BUNDLEWATCH_GITHUB_TOKEN }}

composer.json

@@ -45,11 +45,26 @@
         },
         "flagrow": {
             "discuss": "https://discuss.flarum.org/d/27869"
+        },
+        "flarum-cli": {
+            "modules": {
+                "githubActions": true
+            }
         }
     },
     "autoload": {
         "psr-4": {
             "IanM\\LevelRanks\\": "src/"
         }
+    },
+    "require-dev": {
+        "flarum/phpstan": "*"
+    },
+    "scripts": {
+        "analyse:phpstan": "phpstan analyse",
+        "clear-cache:phpstan": "phpstan clear-result-cache"
+    },
+    "scripts-descriptions": {
+        "analyse:phpstan": "Run static analysis"
     }
 }