minor #28 Use "symfony/ux" tag (nicolas-grekas)

This PR was merged into the main branch.

Discussion
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Use "symfony/ux" tag

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Tickets       | -
| License       | MIT

As advised by @stof in #23 (comment), here's using a tag instead of a "provide" entry.

This should allow:
1. to have flex install packages as ux-components if-and-only-if they have the tag,
2. to help discover ux-related packages by linking to https://packagist.org/?tags=symfony/ux

Commits
-------

2b396a6 Use "symfony/ux" tag

Author: tgalopin

src/Chartjs/composer.json

@@ -3,6 +3,7 @@
     "type": "symfony-bundle",
     "description": "Chart.js integration for Symfony",
     "keywords": [
+        "symfony/ux",
         "symfony",
         "ux",
         "chart",

src/Cropperjs/composer.json

@@ -3,6 +3,7 @@
     "type": "symfony-bundle",
     "description": "Cropper.js integration for Symfony",
     "keywords": [
+        "symfony/ux",
         "symfony",
         "ux",
         "cropper",

src/Dropzone/composer.json

@@ -3,6 +3,7 @@
     "type": "symfony-bundle",
     "description": "File input dropzones for Symfony Forms",
     "keywords": [
+        "symfony/ux",
         "symfony",
         "ux",
         "dropzone"

src/LazyImage/composer.json

@@ -3,9 +3,11 @@
     "type": "symfony-bundle",
     "description": "Lazy image loader and utilities for Symfony",
     "keywords": [
+        "symfony/ux",
         "symfony",
         "ux",
-        "dropzone"
+        "lazy-image",
+        "image"
     ],
     "homepage": "https://symfony.com",
     "license": "MIT",

src/Swup/composer.json

@@ -3,6 +3,7 @@
     "type": "symfony-bundle",
     "description": "Swup integration for Symfony",
     "keywords": [
+        "symfony/ux",
         "symfony",
         "ux",
         "swup"