fix: remove duplicate auth login command from databricks-config, add cross-reference

Co-authored-by: Isaac

Author: michael-berk

databricks-skills/databricks-config/SKILL.md

@@ -9,11 +9,10 @@ Use this skill when you need to authenticate to a Databricks workspace or config
 
 ## Authenticate to a workspace
 
-```bash
-# OAuth (recommended) — opens browser to complete login
-databricks auth login --host https://<your-workspace>.azuredatabricks.net
+For initial CLI setup and install instructions, see [dev-best-practices §2.5](../dev-best-practices/1-foundations-and-setup.md).
 
-# Store under a named profile
+```bash
+# Store under a named profile (for multi-workspace workflows)
 databricks auth login --host https://<your-workspace>.azuredatabricks.net --profile my-profile
 ```
 

databricks-skills/dev-best-practices/SKILL.md

@@ -48,3 +48,4 @@ A practical guide for writing code, collaborating, and shipping production-ready
 - **[databricks-python-sdk](../databricks-python-sdk/SKILL.md)** — Python SDK implementation reference
 - **[databricks-unity-catalog](../databricks-unity-catalog/SKILL.md)** — Unity Catalog operations and system tables
 - **[databricks-jobs](../databricks-jobs/SKILL.md)** — Job orchestration patterns
+- **[databricks-config](../databricks-config/SKILL.md)** — profile and authentication setup for CLI/SDK