Cleanup README table formatting

Author: devinbileck

README.md

@@ -74,12 +74,12 @@ The service is configured via environment variables. The following variables are
 
 #### APNs Configuration
 
-| Environment Variable | Description | Default |
-|---------------------|-------------|---------|
-| `BISQ_RELAY_APNS_BUNDLE_ID` | iOS app bundle identifier (required) | _(none)_ |
-| `BISQ_RELAY_APNS_CERTIFICATE_FILE` | Path to .p12 certificate file (required) | _(none)_ |
+| Environment Variable                        | Description                                  | Default  |
+|---------------------------------------------|----------------------------------------------|----------|
+| `BISQ_RELAY_APNS_BUNDLE_ID`                 | iOS app bundle identifier (required)         | _(none)_ |
+| `BISQ_RELAY_APNS_CERTIFICATE_FILE`          | Path to .p12 certificate file (required)     | _(none)_ |
 | `BISQ_RELAY_APNS_CERTIFICATE_PASSWORD_FILE` | Path to certificate password file (required) | _(none)_ |
-| `BISQ_RELAY_APNS_USE_SANDBOX` | Use APNs sandbox environment | `true` |
+| `BISQ_RELAY_APNS_USE_SANDBOX`               | Use APNs sandbox environment                 | `true`   |
 
 > **Note:** `BISQ_RELAY_APNS_USE_SANDBOX` defaults to `true` for safety. Production deployments must explicitly set this to `false`.
 
@@ -206,8 +206,8 @@ Once deployed, the following will be available:
 
 The `POST /v1/apns/device/{deviceToken}` and `POST /v1/fcm/device/{deviceToken}` endpoints accept a JSON body with the following fields:
 
-| Field | Type | Required | Default | Description |
-|-------|------|----------|---------|-------------|
-| `encrypted` | string | yes | — | Encrypted notification payload |
-| `isUrgent` | boolean | no | `false` | When `true`, sends as high-priority alert; when `false`, sends as background notification |
-| `isMutableContent` | boolean | no | `false` | APNs only. When `true`, sets the `mutable-content` flag in the APNs payload, allowing the iOS app's Notification Service Extension (NSE) to modify the notification content before display (e.g. for client-side decryption) |
+| Field              | Type    | Required | Default | Description                                                                                                                                                                                                                  |
+|--------------------|---------|----------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `encrypted`        | string  | yes      | —       | Encrypted notification payload                                                                                                                                                                                               |
+| `isUrgent`         | boolean | no       | `false` | When `true`, sends as high-priority alert; when `false`, sends as background notification                                                                                                                                    |
+| `isMutableContent` | boolean | no       | `false` | APNs only. When `true`, sets the `mutable-content` flag in the APNs payload, allowing the iOS app's Notification Service Extension (NSE) to modify the notification content before display (e.g. for client-side decryption) |