feat(vtiger-crm): add create opportunity action

packages/docs/pages/.vitepress/config.js

@@ -454,6 +454,7 @@ export default defineConfig({
           collapsed: true,
           items: [
             { text: 'Triggers', link: '/apps/vtiger-crm/triggers' },
+            { text: 'Actions', link: '/apps/vtiger-crm/actions' },
             { text: 'Connection', link: '/apps/vtiger-crm/connection' },
           ],
         },

packages/docs/pages/apps/vtiger-crm/actions.md

@@ -0,0 +1,12 @@
+---
+favicon: /favicons/vtiger-crm.svg
+items:
+  - name: Create opportunity
+    desc: Create a new opportunity.
+---
+
+<script setup>
+  import CustomListing from '../../components/CustomListing.vue'
+</script>
+
+<CustomListing />