[TASK] Add required composer package for the installation, Release of version 4.0.4

composer.json

 {
-  "name": "sgalinski/sgc-core",
-  "description": "sgalinski command line interface",
-  "homepage": "https://www.sgalinski.de",
-  "license": "proprietary",
-  "version": "4.0.3",
-  "replace": {
-    "sgc-core": "self.version"
-  }
+	"name": "sgalinski/sgc-core",
+	"description": "sgalinski command line interface",
+	"homepage": "https://www.sgalinski.de",
+	"license": "proprietary",
+	"version": "4.0.4",
+	"replace": {
+		"sgc-core": "self.version"
+	},
+	"require": {
+		"mnsami/composer-custom-directory-installer": "^1.1"
+	},
+	"require-dev": {
+		"roave/security-advisories": "dev-master"
+	}
 }

core/version.conf

-SGC_VERSION=4.0.2
+SGC_VERSION=4.0.4