[GH-108]: Developed the UI for Admin setting console

Makefile

@@ -63,6 +63,7 @@ ifneq ($(HAS_SERVER),)
 endif
 
 ## Ensures NPM dependencies are installed without having to run this all the time.
+.PHONY: webapp/.npminstall
 webapp/.npminstall:
 ifneq ($(HAS_WEBAPP),)
 	cd webapp && $(NPM) install

build/manifest/main.go

@@ -114,11 +114,11 @@ func applyManifest(manifest *model.Manifest) error {
 
 	if manifest.HasWebapp() {
 		if err := ioutil.WriteFile(
-			"webapp/src/manifest.js",
+			"webapp/src/manifest.ts",
 			[]byte(fmt.Sprintf(pluginIDJSFileTemplate, manifest.Id, manifest.Version)),
 			0600,
 		); err != nil {
-			return errors.Wrap(err, "failed to open webapp/src/manifest.js")
+			return errors.Wrap(err, "failed to open webapp/src/manifest.ts")
 		}
 	}
 

plugin.json

@@ -16,7 +16,17 @@
       "windows-amd64": "server/dist/plugin-windows-amd64.exe"
     }
   },
+  "webapp": {
+    "bundle_path": "webapp/dist/main.js"
+  },
   "settings_schema": {
-      "header": "Configure this plugin directly in the config.json file. Learn more [in our documentation](https://github.com/mattermost/mattermost-plugin-welcomebot/blob/master/README.md).\n\n To report an issue, make a suggestion, or submit a contribution, [check the plugin repository](https://github.com/mattermost/mattermost-plugin-welcomebot)."
+      "header": "Configure this plugin directly in the config.json file. Learn more [in our documentation](https://github.com/mattermost/mattermost-plugin-welcomebot/blob/master/README.md).\n\n To report an issue make a suggestion or submit a contribution to the plugin's [repository](https://github.com/mattermost/mattermost-plugin-welcomebot).",
+      "settings": [
+        {
+            "key": "WelcomeMessages",
+            "type": "custom",
+            "default": []
+        }
+    ]
   }
 }

server/configuration.go

@@ -46,7 +46,7 @@ type ConfigMessage struct {
 
 // Configuration from config.json
 type Configuration struct {
-	WelcomeMessages []*ConfigMessage
+	WelcomeMessages []*ConfigMessage `json:"WelcomeMessages"`
 }
 
 // List of the welcome messages from the configuration