feat: add TextWidget

add TextWidget CRUD api

add basic tests for API

cmd/curl_post_text_widget.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# TOKEN="your_api_token_here"
+# ensure to have set TOKEN to a valid value before running
+# ideally add this to an .envrc file and source it
+# only the admin user can create entries so this should
+# fail unless .env has ADMIN_EMAIL set to the user that 
+# the token belongs to
+
+URL='http://127.0.0.1:8000/api/text-widgets'
+
+curl -X POST \
+     -H "Authorization: Bearer $TOKEN" \
+     -H "Accept: application/json" \
+     -H "Content-Type: application/json" \
+     -d '{
+           "title": "Yet Another New text widget Title",
+           "content": "This is the content yet again of the new text widget."
+         }' \
+     $URL