Initial plugin scaffold: lesson scheduling WordPress plugin

- Custom DB tables for availability slots and lesson bookings
- Instructor (wp-admin) and student (front-end) roles with custom capabilities
- REST API under us-scheduler/v1 for availability CRUD and booking
- [us_booking] and [us_student_login] shortcodes for student front end
- PHPUnit + Brain\Monkey unit test suite (29 tests)
- Gitea Actions CI: lint, PHPStan, tests on PHP 8.1/8.2/8.3, no-debug check
- Feature docs under docs/features/

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

composer.json

@@ -0,0 +1,41 @@
+{
+    "name": "unsupervised/schedular",
+    "description": "WordPress plugin for instructor/student lesson scheduling",
+    "type": "wordpress-plugin",
+    "license": "GPL-2.0-or-later",
+    "require": {
+        "php": ">=8.1"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^10.5",
+        "brain/monkey": "^2.6",
+        "mockery/mockery": "^1.6",
+        "phpstan/phpstan": "^1.10",
+        "szepeviktor/phpstan-wordpress": "^1.3",
+        "php-stubs/wordpress-stubs": "^6.0",
+        "squizlabs/php_codesniffer": "^3.7",
+        "wp-coding-standards/wpcs": "^3.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Unsupervised\\Schedular\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Unsupervised\\Schedular\\Tests\\": "tests/"
+        }
+    },
+    "scripts": {
+        "test": "phpunit --configuration phpunit.xml",
+        "test:coverage": "phpunit --configuration phpunit.xml --coverage-html coverage/",
+        "lint": "phpstan analyse src/ --level=6 --configuration phpstan.neon",
+        "cs": "phpcs --standard=WordPress src/",
+        "cs:fix": "phpcbf --standard=WordPress src/"
+    },
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    }
+}