edit ignored files

Author: commit111

samples/managed-llm/.gitignore

@@ -1,2 +1,3 @@
+.env
 myenv
 __pycache__/

samples/managed-llm/app/.dockerignore

@@ -0,0 +1,14 @@
+# Default .dockerignore file for Defang
+**/__pycache__
+**/.git
+**/.github
+**/compose.*.yaml
+**/compose.*.yml
+**/compose.yaml
+**/compose.yml
+**/docker-compose.*.yaml
+**/docker-compose.*.yml
+**/docker-compose.yaml
+**/docker-compose.yml
+Dockerfile
+*.Dockerfile