docs: Use postgresql key name instead of postgres

packages/docs/pages/apps/postgresql/actions.md

@@ -0,0 +1,18 @@
+---
+favicon: /favicons/postgres.svg
+items:
+  - name: Insert
+    desc: Create a new row in a table in specified schema.
+  - name: Update
+    desc: Update rows found based on the given where clause entries.
+  - name: Delete
+    desc: Delete rows found based on the given where clause entries.
+  - name: SQL query
+    desc: Executes the given SQL statement..
+---
+
+<script setup>
+  import CustomListing from '../../components/CustomListing.vue'
+</script>
+
+<CustomListing />