docs(readme): refresh setup defaults

.env.example

@@ -4,6 +4,6 @@ MAINTAINARR_SESSION_KEY=change-me-session-key-please
 MAINTAINARR_ENCRYPTION_KEY=change-me-encryption-key-32bytes
 MAINTAINARR_ORG_NAME=Maintainarr
 MAINTAINARR_BASE_URL=http://localhost:8080
-MAINTAINARR_THEME=emerald
-MAINTAINARR_REFRESH_CRON=@every 5m
-MAINTAINARR_BOOTSTRAP_ADMIN=true
+MAINTAINARR_THEME=blue
+MAINTAINARR_THEME_MODE=dark
+MAINTAINARR_REFRESH_CRON=@every 5s

README.md

@@ -55,16 +55,11 @@ go run ./cmd/maintainarr
 
 Default address: `http://localhost:8080`
 
-## Bootstrap
+## First User
 
-If the database is empty and `MAINTAINARR_BOOTSTRAP_ADMIN=true`, the app seeds:
+The first registered user becomes the initial `admin`.
 
-- email: `admin@maintainarr.local`
-- password: `admin123!`
-
-That account is forced through OTP setup on first sign-in.
-
-The app also seeds example nodes, groups, and automation jobs so the UI is not blank on first boot.
+No example users, groups, nodes, or jobs are seeded.
 
 ## Environment
 
@@ -75,9 +70,9 @@ MAINTAINARR_SESSION_KEY=change-me-session-key-please
 MAINTAINARR_ENCRYPTION_KEY=change-me-encryption-key-32bytes
 MAINTAINARR_ORG_NAME=Maintainarr
 MAINTAINARR_BASE_URL=http://localhost:8080
-MAINTAINARR_THEME=emerald
-MAINTAINARR_REFRESH_CRON=@every 5m
-MAINTAINARR_BOOTSTRAP_ADMIN=true
+MAINTAINARR_THEME=blue
+MAINTAINARR_THEME_MODE=dark
+MAINTAINARR_REFRESH_CRON=@every 5s
 ```
 
 ## Roles
@@ -104,7 +99,7 @@ The dashboard is styled around `uicolors.app` style primary scale variables:
 --color-primary-950
 ```
 
-Replace those values in [`web/static/css/app.css`](C:/Users/spenc/Documents/GitHub/Maintainarr/web/static/css/app.css) or feed them through a future admin theme editor to recolor the interface.
+Replace those values in `web/static/css/app.css` or feed them through a future admin theme editor to recolor the interface.
 
 ## Current Scope