Merge branch 'grocy' into 'master'

Newapp: Grocy

Closes rfp#1477

See merge request !7504

metadata/xyz.zedler.patrick.grocy.yml

+Categories:
+  - Sports & Health
+License: GPL-3.0-only
+AuthorName: Patrick Zedler
+AuthorEmail: patrick@zedler.xyz
+WebSite: https://grocy.info/
+SourceCode: https://github.com/patzly/grocy-android
+IssueTracker: https://github.com/patzly/grocy-android/issues
+Changelog: https://github.com/patzly/grocy-android/releases
+
+AutoName: Grocy
+
+RepoType: git
+Repo: https://github.com/patzly/grocy-android
+
+Builds:
+  - versionName: 1.8.7
+    versionCode: 21
+    commit: v1.8.7
+    subdir: app
+    gradle:
+      - yes
+
+AutoUpdateMode: Version v%v
+UpdateCheckMode: Tags
+CurrentVersion: 1.8.7
+CurrentVersionCode: 21