Improve app metadata, include fdroid metadata in repository

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.2
-app.versionCode=2
+app.versionName=0.0.3
+app.versionCode=3

fastlane/metadata/android/en-US/changelogs/0.txt

+Initial commit
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fastlane/metadata/android/en-US/changelogs/1.txt

+Create initial empty application
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fastlane/metadata/android/en-US/changelogs/2.txt

+Upgrade Flutter framework and dependencies
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fastlane/metadata/android/en-US/changelogs/3.txt

+Improve app metadata, include fdroid metadata in repository
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fastlane/metadata/android/en-US/full_description.txt

+Snake game
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fastlane/metadata/android/en-US/short_description.txt

+Snake game
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fastlane/metadata/android/en-US/title.txt

+Snake game
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fastlane/metadata/android/fr-FR/changelogs/0.txt

+Premier commit
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fastlane/metadata/android/fr-FR/changelogs/1.txt

+Ajout de l'application initiale
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fastlane/metadata/android/fr-FR/changelogs/2.txt

+Mise à jour du framework Flutter et de ses dépendances
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fastlane/metadata/android/fr-FR/changelogs/3.txt

+Ajout des métadata fdroid dans le dépôt
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fastlane/metadata/android/fr-FR/full_description.txt

+Jeu du serpent
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fastlane/metadata/android/fr-FR/short_description.txt

+Jeu du serpent
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fastlane/metadata/android/fr-FR/title.txt

+Jeu du serpent
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fdroid_metadata.yml

+AuthorName:   'Benoît Harrault'
+Categories:
+  - Games
+Name:         Snake game
+AutoName:     snake
+License:      GPL-3.0-only
+WebSite:      'https://git.harrault.fr/android/org.benoitharrault.snake'
+SourceCode:   'https://git.harrault.fr/android/org.benoitharrault.snake'
+IssueTracker: 'https://git.harrault.fr/android/org.benoitharrault.snake/issues'
+Changelog:    'https://git.harrault.fr/android/org.benoitharrault.snake/-/tags'
+Summary:      Snake game
+Description:  |
+  Snake game
+RepoType:     git
+Repo:         'https://git.harrault.fr/android/org.benoitharrault.snake.git'
+FdroidAppUrl: 'https://f-droid.org/fr/packages/org.benoitharrault.snake/'