Log all services to memory (#4587)

* Log all services to RAM

* Fix tests workdir

* Rotate logs when they reach 10MB and keep only 1 archive

* Gracefully handle shutdown

* Add note about gracetime not working

* Fix logs permission, create fake logs for devcontainer

* Remove empty line

* Update docker/rootfs/etc/services.d/frigate/run

* Fix fake Frigate shebang

docker/rootfs/usr/local/bin/frigate

@@ -0,0 +1,5 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash
+
+exec 2>&1
+exec python3 -u -m frigate "${@}"

docker/rootfs/usr/local/nginx/conf/nginx.conf

@@ -2,7 +2,7 @@ daemon off;
 user root;
 worker_processes  1;
 
-error_log  /usr/local/nginx/logs/error.log warn;
+error_log  /dev/stdout warn;
 pid        /var/run/nginx.pid;
 
 events {
@@ -17,7 +17,7 @@ http {
                         '$status $body_bytes_sent "$http_referer" '
                         '"$http_user_agent" "$http_x_forwarded_for"';
 
-    access_log  /usr/local/nginx/logs/access.log  main;
+    access_log  /dev/stdout  main;
 
     sendfile        on;