refactor: flatten padelnomics/padelnomics/ → repo root

git mv all tracked files from the nested padelnomics/ workspace
directory to the git repo root. Merged .gitignore files.
No code changes — pure path rename.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

transform/sqlmesh_padelnomics/config.yaml

@@ -0,0 +1,18 @@
+gateways:
+  duckdb:
+    connection:
+      type: duckdb
+      catalogs:
+        local: "{{ env_var('DUCKDB_PATH', 'data/lakehouse.duckdb') }}"
+
+default_gateway: duckdb
+
+variables:
+  LANDING_DIR: "{{ env_var('LANDING_DIR', 'data/landing') }}"
+
+model_defaults:
+  dialect: duckdb
+  start: 2025-01-01
+  cron: '@daily'
+
+default_target_environment: "dev_{{ user() }}"