feat(commands): add Web Components app creation example and update React wrappers

Author: Marina-L-Stoyanova

skills/ignite-ui-cli-skill.md

@@ -137,3 +137,12 @@ ig new "MyApp" --framework=angular --type=igx-ts --template=side-nav-auth
 ng g @igniteui/angular-schematics:upgrade-packages
 # Will prompt for Infragistics credentials
 ```
+
+**"Create a new Web Components app with a grid"**
+```bash
+ig new "WCApp" --framework=webcomponents --type=igc-ts --template=side-nav
+cd WCApp
+ig list                          # confirm: grid templateId
+ig add grid ProductsGrid
+ig start
+```

skills/reference/commands.md

@@ -20,7 +20,8 @@ ig new "<AppName>" --framework=<f> --type=<t> --template=<tmpl> --theme=<theme>
 | Angular | `igx-ts-legacy` | Ignite UI for Angular — module-based bootstrapping |
 | Angular | `ig-ts` | Ignite UI Angular JS Wrappers |
 | React | `igr-es6` | Ignite UI for React (native components) |
-| React | `ig-ts` | Ignite UI jQuery React Wrappers |
+| React | `igr-ts` | Ignite UI React Wrappers |
+| WebComponents | `igc-ts` | Ignite UI WebComponents |
 | jQuery | `js` | Default — `--type` not required |
 
 ### Templates