feat: add setup

.env.example

@@ -0,0 +1,35 @@
+GATEWAY_REF=main
+
+# Uncomment when developing against a sibling ../beaver-gateway checkout.
+# Pure code edits then need only `docker compose restart gateway`
+#COMPOSE_FILE=docker-compose.yml:docker-compose.dev.yml
+
+POSTGRES_USER=beaver
+POSTGRES_PASSWORD=CHANGE-ME-strong-random-password
+POSTGRES_DB=beaver
+
+# Admin UI login. Used only to mint/revoke tokens.
+ADMIN_USER=admin
+ADMIN_PASS=CHANGE-ME-admin-password
+
+# openssl rand -hex 32
+SESSION_SECRET=CHANGE-ME-random-hex
+
+# Sniffed from the Raycast desktop app
+RAYCAST_DEVICE_ID=CHANGE-ME-32-byte-hex
+RAYCAST_BEARER=rca_CHANGE-ME
+
+FIREFLY_BASE_URL=https://firefly.example.com
+FIREFLY_PAT=changeme
+
+# example: CALENDAR_MCPS=work=https://calendar-mcp.com/mcp/AAAA,home=https://calendar-mcp.com/mcp/BBBB
+CALENDAR_MCPS=
+
+PORT_MESSAGES=62990
+PORT_MCP=62991
+PORT_ADMIN=62992
+PORT_MARKDOWN=62993
+
+# Public URL where the reverse proxy in front (see ./caddy) terminates.
+# Leave empty for raw-port localhost / dev setups.
+PUBLIC_BASE_URL=