Rename namespace to Tezmanian and prepare for Packagist

- Namespace Tez\Utils -> Tezmanian\Utils, package tez/* -> tezmanian/*
    - Add keywords, homepage, authors and support metadata
    - Drop VCS repositories (resolved via Packagist)
    - Remove stale composer.lock, set license holder

README.md

@@ -1,5 +1,10 @@
 # tez-utils-enum
 
+[![CI](https://github.com/tezmanian/tez-utils-enum/actions/workflows/php.yml/badge.svg)](https://github.com/tezmanian/tez-utils-enum/actions/workflows/php.yml)
+[![Packagist Version](https://img.shields.io/packagist/v/tezmanian/utils-enum)](https://packagist.org/packages/tezmanian/utils-enum)
+[![PHP](https://img.shields.io/packagist/php-v/tezmanian/utils-enum)](https://packagist.org/packages/tezmanian/utils-enum)
+[![License: MIT](https://img.shields.io/packagist/l/tezmanian/utils-enum)](LICENSE)
+
 Composable PHP 8.3 traits that extend native enums with lookup, comparison, navigation, bitmask, label, and collection helpers.
 
 **Zero dependencies** · **PHPStan level 9** · **MIT**
@@ -7,9 +12,11 @@ Composable PHP 8.3 traits that extend native enums with lookup, comparison, navi
 ## Installation
 
 ```bash
-composer require tez/utils-enum
+composer require tezmanian/utils-enum
 ```
 
+Package: [`tezmanian/utils-enum`](https://packagist.org/packages/tezmanian/utils-enum) · Namespace: `Tezmanian\Utils\Enum`
+
 Requires PHP ≥ 8.3.
 
 ## Traits
@@ -31,7 +38,7 @@ Requires PHP ≥ 8.3.
 Base trait for pure (unit) enums. Use `BackedEnumTrait` instead when your enum has backing values.
 
 ```php
-use Tez\Utils\Enum\EnumTrait;
+use Tezmanian\Utils\Enum\EnumTrait;
 
 enum Status
 {
@@ -78,7 +85,7 @@ Status::toArray(); // ['Draft' => 'Draft', 'Published' => 'Published', 'Archived
 Extends `EnumTrait` for string- or int-backed enums. Overrides `is()` to match by backing value, and `toArray()` to return `[value => name]`.
 
 ```php
-use Tez\Utils\Enum\BackedEnumTrait;
+use Tezmanian\Utils\Enum\BackedEnumTrait;
 
 enum Color: string
 {
@@ -124,7 +131,7 @@ Bitmask helpers for int-backed enums used as flag sets. Case values must be powe
 Does not include `BackedEnumTrait` — combine them explicitly if needed.
 
 ```php
-use Tez\Utils\Enum\BitFlagTrait;
+use Tezmanian\Utils\Enum\BitFlagTrait;
 
 enum Permission: int
 {
@@ -168,7 +175,7 @@ Permission::fromBitmask(0);     // []
 Comparison helpers for int-backed enums, comparing cases by their backing values.
 
 ```php
-use Tez\Utils\Enum\ComparableTrait;
+use Tezmanian\Utils\Enum\ComparableTrait;
 
 enum Priority: int
 {
@@ -205,7 +212,7 @@ Navigate to adjacent cases by definition order. Designed for state machines and
 Order is determined by **definition order** (ordinal), not backing value. Returns `null` at boundaries — no wrap-around.
 
 ```php
-use Tez\Utils\Enum\StepTrait;
+use Tezmanian\Utils\Enum\StepTrait;
 
 enum CheckoutStep
 {
@@ -238,7 +245,7 @@ CheckoutStep::PersonalInfo->prev(); // null  (first step)
 Human-readable labels for enum cases, without any framework dependency. Override `labels()` to supply custom mappings keyed by case name. Falls back to the case name when no label is defined.
 
 ```php
-use Tez\Utils\Enum\TranslatableTrait;
+use Tezmanian\Utils\Enum\TranslatableTrait;
 
 enum UserRole
 {
@@ -280,7 +287,7 @@ UserRole::labelsArray();
 Collection-style selection helpers. Can be combined with `EnumTrait` or `BackedEnumTrait`. Works with any enum type.
 
 ```php
-use Tez\Utils\Enum\EnumCollectionTrait;
+use Tezmanian\Utils\Enum\EnumCollectionTrait;
 
 enum Suit
 {
@@ -359,6 +366,15 @@ enum Permission: int
 - PHP 8.3+
 - No runtime dependencies
 
+## Development
+
+```bash
+make build && make install
+make ci   # audit, PHPStan, code style, tests
+```
+
 ## License
 
-MIT
+MIT — see [LICENSE](LICENSE).
+
+Author: René Halberstadt