[CLI] Add help message when no subcommand is specified

cli/denreg.ts

@@ -94,4 +94,6 @@ if (command) {
    } catch (err) {
       console.log(Colors.bold(Colors.red("An error occured:")), err.message);
    }
+} else {
+   flags.cmd.help();
 }

cli/meta.json

@@ -1,10 +1,14 @@
 {
    "name": "@denreg-cli",
-   "version": "0.2.5",
+   "version": "0.2.6",
    "description": "CLI for the DenReg package registry",
    "author": "Fabian Stamm <dev@fabianstamm.de>",
    "contributors": [],
-   "files": ["**/*.ts", "**/*.js", "README.md"],
+   "files": [
+      "**/*.ts",
+      "**/*.js",
+      "README.md"
+   ],
    "hooks": {
       "prepublish": "pre.ts"
    }

cli/version.ts

@@ -1 +1 @@
-export const version = "0.2.5"
+export const version = "0.2.6"