Add GitHub Sponsors funding configuration (#51)

* Add GitHub Sponsors funding configuration

- Add FUNDING.yml to enable GitHub Sponsors button
- Add GitHub Sponsors badge to README
- Points to @dynamic organization sponsors page

* Move sponsor badge to same line as CI badge, remove codecov badge

* Add funding field to composer.json for GitHub Sponsors

Author: jsirish

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+# These are supported funding model platforms
+
+github: [dynamic]

README.md

@@ -3,7 +3,7 @@
 Recent Blog Posts Element for the SilverStripe Elemental module.
 
 ![CI](https://github.com/dynamic/silverstripe-elemental-blog/workflows/CI/badge.svg)
-[![codecov](https://codecov.io/gh/dynamic/silverstripe-elemental-blog/branch/master/graph/badge.svg)](https://codecov.io/gh/dynamic/silverstripe-elemental-blog)
+[![Sponsors](https://img.shields.io/badge/Sponsor-Dynamic-ff69b4?logo=github-sponsors&logoColor=white)](https://github.com/sponsors/dynamic)
 
 [![Latest Stable Version](https://poser.pugx.org/dynamic/silverstripe-elemental-blog/v/stable)](https://packagist.org/packages/dynamic/silverstripe-elemental-blog)
 [![Total Downloads](https://poser.pugx.org/dynamic/silverstripe-elemental-blog/downloads)](https://packagist.org/packages/dynamic/silverstripe-elemental-blog)

composer.json

@@ -16,6 +16,12 @@
             "homepage": "https://www.dynamicagency.com"
         }
     ],
+    "funding": [
+        {
+            "type": "github",
+            "url": "https://github.com/sponsors/dynamic"
+        }
+    ],
     "require": {
         "php": "^8.0",
         "dnadesign/silverstripe-elemental": "^5.0",