docs: update references from docker-compose.yml to compose.yaml in testing and events documentation

Author: mstrhakr

docs/advanced/testing.md

@@ -57,12 +57,12 @@ setup() {
 }
 
 @test "parse_stack_name extracts name from path" {
-    result=$(parse_stack_name "/mnt/user/appdata/mystack/docker-compose.yml")
+    result=$(parse_stack_name "/mnt/user/appdata/mystack/compose.yaml")
     [ "$result" = "mystack" ]
 }
 
 @test "validate_compose_file detects missing file" {
-    run validate_compose_file "/nonexistent/docker-compose.yml"
+    run validate_compose_file "/nonexistent/compose.yaml"
     [ "$status" -eq 1 ]
 }
 ```

docs/events.md

@@ -200,7 +200,7 @@ COMPOSE_WRAPPER=/usr/local/emhttp/plugins/compose.manager/scripts/compose.sh
 # Process each project directory
 for dir in $COMPOSE_ROOT/*; do
     if [ -d "$dir" ]; then
-        if [ -f "$dir/docker-compose.yml" ]; then
+        if [ -f "$dir/compose.yaml" ]; then
             if [ -f "$dir/autostart" ]; then
                 name=$(< "${dir}/name")
                 logger "Starting compose stack: ${name}"