Add dependencies to info.xml

Signed-off-by: Julius Härtl <jus@bitgrid.net>

appinfo/info.xml

@@ -32,6 +32,10 @@
     <screenshot>https://download.bitgrid.net/nextcloud/deck/screenshots/Deck_Board.png</screenshot>
     <screenshot>https://download.bitgrid.net/nextcloud/deck/screenshots/Deck_Details.png</screenshot>
     <dependencies>
+        <php min-version="5.6"/>
+        <database min-version="9.4">pgsql</database>
+        <database>sqlite</database>
+        <database min-version="5.5">mysql</database>
         <nextcloud min-version="13" max-version="15" />
     </dependencies>
     <background-jobs>

krankerl.toml

@@ -15,6 +15,7 @@ exclude = [
     "js/Gruntfile.js",
     "js/package.json",
     "js/package-lock.json",
+    "docs/",
     "tests",
     ".codecov.yml",
     "composer.json",
@@ -28,6 +29,7 @@ exclude = [
     "issue_template.md",
     "krankerl.toml",
     "Makefile",
+    "mkdocs.yml",
     "run-eslint.sh"
 ]