Use PSR-4 autoloader (#199)

* Use PSR-4 autoloader

* Remove deprecated autoloader
* Use new classloading mechanism

* Fix autoloader tests

* Additional autoloader testing

composer.json

@@ -9,15 +9,26 @@
         "phpunit/phpcov": "8.2.*",
         "nextcloud/coding-standard": "^1.0",
         "vimeo/psalm": "^4.23",
-        "christophwurst/nextcloud": "dev-master"
+        "nextcloud/ocp": "dev-master"
     },
     "config": {
         "optimize-autoloader": true,
         "classmap-authoritative": true,
         "platform": {
 			"php": "8.0"
-		}
+		},
+		"autoloader-suffix": "WorkflowOcr"
     },
+	"autoload": {
+		"psr-4": {
+			"OCA\\WorkflowOcr\\": "lib/"
+		}
+	},
+	"autoload-dev": {
+		"psr-4": {
+			"OCP\\": "vendor/nextcloud/ocp/OCP"
+		}
+	},
     "scripts": {
         "lint": "find . -name \\*.php -not -path './vendor/*' -not -path './node_modules/*' -exec php -l \"{}\" \\;",
         "cs:check": "php-cs-fixer fix --dry-run --diff",
@@ -27,5 +38,5 @@
 		"psalm:clear": "psalm --clear-cache && psalm --clear-global-cache",
 		"psalm:fix": "psalm --alter --issues=InvalidReturnType,InvalidNullableReturnType,MissingParamType,InvalidFalsableReturnType",
         "psalm:write-baseline": "psalm --threads=1 --set-baseline=./tests/psalm-baseline.xml"
-    }	
+    }
 }