✨(docker) add docspec deployment and service to kubernetes configuration

Added Helm templates for docspec deployment and service to enable
document specification conversion in the Kubernetes environment.
Updated Tiltfile, compose.yml, and Helm values to
configure docspec integration alongside the
backend converter service for document import functionality.

bin/Tiltfile

@@ -8,6 +8,7 @@ docker_build(
     dockerfile='../Dockerfile',
     only=['./src/backend', './src/mail', './docker'],
     target = 'backend-production',
+    build_args={'DOCKER_USER': '1000:1000'},
     live_update=[
         sync('../src/backend', '/app'),
         run(
@@ -23,6 +24,7 @@ docker_build(
     dockerfile='../src/frontend/servers/y-provider/Dockerfile',
     only=['./src/frontend/', './docker/', './.dockerignore'],
     target = 'y-provider',
+    build_args={'DOCKER_USER': '1000:1000'},
     live_update=[
         sync('../src/frontend/servers/y-provider/src', '/home/frontend/servers/y-provider/src'),
     ]
@@ -34,6 +36,7 @@ docker_build(
     dockerfile='../src/frontend/Dockerfile',
     only=['./src/frontend', './docker', './.dockerignore'],
     target = 'impress',
+    build_args={'DOCKER_USER': '1000:1000'},
     live_update=[
         sync('../src/frontend', '/home/frontend'),
     ]