Improve project creation

Add required fields in `package.json` when project is created. This way there will be no warnings during `tns create <app>`.
Also improve the message (use markdown).

Author: rosen-vladimirov

lib/services/project-data-service.ts

@@ -61,7 +61,12 @@ export class ProjectDataService implements IProjectDataService {
 			assert.ok(this.projectFilePath, "Initialize method of projectDataService is not called.");
 
 			if(!this.$fs.exists(this.projectFilePath).wait()) {
-				this.$fs.writeFile(this.projectFilePath, null).wait();
+				this.$fs.writeJson(this.projectFilePath, {
+					"description": "NativeScript Application",
+					"license": "SEE LICENSE IN <your-license-filename>",
+					"readme": "NativeScript Application",
+					"repository": "<fill-your-repository-here>"
+				}).wait();
 			}
 
 			this.projectData = this.$fs.readJson(this.projectFilePath).wait() || Object.create(null);

lib/services/project-service.ts

@@ -83,7 +83,7 @@ export class ProjectService implements IProjectService {
 				this.$fs.deleteDirectory(projectDir).wait();
 				throw err;
 			}
-			this.$logger.out("Project %s was successfully created", projectName);
+			this.$logger.printMarkdown("Project `%s` was successfully created.", projectName);
 
 		}).future<void>()();
 	}