feat(auth): integrate authentication with installation lifecycle

deploy/env/local.env.example

@@ -6,6 +6,7 @@ THOTH_CORE_HTTP_PORT=8787
 MAX_PI_PROCESSES=4
 PI_AUTH_FILE=/absolute/path/to/pi-auth.json
 THT_SECRETS_FILE=/absolute/path/to/thothii.secrets
+THT_AUTH_CONFIG_ROOT=/absolute/path/to/thothii-auth
 
 THT_WORKSPACE_GIT_REMOTE=https://git.example.invalid/platform/thoth-workspaces.git
 THT_WORKSPACE_GIT_BRANCH=main

deploy/env/server.env.example

@@ -5,6 +5,7 @@ THOTH_HTTP_PORT=8080
 MAX_PI_PROCESSES=4
 PI_AUTH_FILE=/absolute/path/to/pi-auth.json
 THT_SECRETS_FILE=/absolute/path/to/thothii.secrets
+THT_AUTH_CONFIG_ROOT=/absolute/path/to/thothii-auth
 
 THT_DATA_ROOT=/srv/thothii/data
 THT_PI_STATE_ROOT=/srv/thothii/pi-state