Allow [GitHub] tag badge to sort by date (#2157)

* add test for tag-pre
* support /releases-pre (but also allow /all for BC)
* allow GH tags to be sorted by date instead of semver
* fix license badge

lib/all-badge-examples.js

@@ -1242,10 +1242,20 @@ const allBadgeExamples = [
         previewUrl: '/hexpm/v/plug.svg',
       },
       {
-        title: 'GitHub tag',
+        title: 'GitHub tag (latest SemVer)',
         previewUrl: '/github/tag/expressjs/express.svg',
         documentation: githubDoc,
       },
+      {
+        title: 'GitHub tag (latest SemVer pre-release)',
+        previewUrl: '/github/tag-pre/expressjs/express.svg',
+        documentation: githubDoc,
+      },
+      {
+        title: 'GitHub tag (latest by date)',
+        previewUrl: '/github/tag-date/expressjs/express.svg',
+        documentation: githubDoc,
+      },
       {
         title: 'GitHub package version',
         previewUrl: '/github/package-json/v/badges/shields.svg',
@@ -1263,7 +1273,7 @@ const allBadgeExamples = [
       },
       {
         title: 'GitHub (pre-)release',
-        previewUrl: '/github/release/qubyte/rubidium/all.svg',
+        previewUrl: '/github/release-pre/qubyte/rubidium.svg',
         documentation: githubDoc,
       },
       {