dbt: Update README and CI configuration

Author: amotl

.github/workflows/framework-dbt.yml

@@ -67,4 +67,5 @@ jobs:
         run: |
           cd framework/dbt/basic
           pip install -r requirements.txt
-          dbt build
+          dbt run --debug
+          dbt test --debug

framework/dbt/basic/README.md

@@ -1,13 +1,19 @@
-Welcome to your new dbt project!
+# dbt CrateDB Example
 
-### Using the starter project
+## Setup
+```shell
+uv pip install -r requirements.txt
+```
+
+## Usage
 
 Try running the following commands:
 - `dbt run`
 - `dbt test`
 
+Optionally, use `--debug` to display executed SQL statements.
 
-### Resources:
+## Resources
 - Learn more about dbt [in the docs](https://docs.getdbt.com/docs/introduction)
 - Check out [Discourse](https://discourse.getdbt.com/) for commonly asked questions and answers
 - Join the [chat](https://community.getdbt.com/) on Slack for live discussions and support