[gimp-web/wip/schumaml/2.10.20-gimp_versions.json] gimp_versions.json: add skeleton entry for GIMP 2.10.20

[Michael Schumacher <schumaml src gnome org>]

commit f733349ef1d863dc99ffca804a6263f634f2be24
Author: Michael Schumacher <schumaml gmx de>
Date:   Sat Jun 6 23:21:19 2020 +0200

    gimp_versions.json: add skeleton entry for GIMP 2.10.20

 content/gimp_versions.json | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
---
diff --git a/content/gimp_versions.json b/content/gimp_versions.json
index beb2eb41..2e9a6844 100644
--- a/content/gimp_versions.json
+++ b/content/gimp_versions.json
@@ -1,5 +1,36 @@
 {
     "STABLE":  [
+        {
+            "version": "2.10.20",
+            "date": "2020-06-dd",
+            "source": [
+                {
+                    "filename": "gimp-2.10.20.tar.bz2",
+                    "sha512": "",
+                    "sha256": ""
+                }
+            ],
+            "macos": [
+                {
+                    "date": "2020-06-dd",
+                    "filename": "gimp-2.10.20-x86_64.dmg",
+                    "sha512": "",
+                    "sha256": "",
+                    "min-support": "macOS 10.9 Mavericks"
+                    "build-id": "org.gimp.GIMP_official"
+                }
+            ],
+            "windows": [
+                {
+                    "date": "2020-06-dd",
+                    "filename": "gimp-2.10.20-setup.exe",
+                    "sha512": "",
+                    "sha256": "",
+                    "min-support": "Windows 7",
+                    "build-id": "org.gimp.GIMP_official"
+                }
+            ]
+        },
         {
             "version": "2.10.18",
             "date": "2020-02-23",