New app: Ameixa Monochrome

Closes fdroid/rfp#337.

metadata/org.xphnx.ameixamonochrome.txt

@@ -0,0 +1,20 @@
+Categories:Theming
+License:GPL-3.0
+Web Site:https://gitlab.com/xphnx/ameixa-monochrome/blob/HEAD/README.md
+Source Code:https://gitlab.com/xphnx/ameixa-monochrome
+Issue Tracker:https://gitlab.com/xphnx/ameixa-monochrome/issues
+
+Auto Name:Ameixa Monochrome
+
+Repo Type:git
+Repo:https://gitlab.com/xphnx/ameixa-monochrome.git
+
+Build:3.0.7-alpha,46
+    commit=v3.0.7
+    subdir=app
+    gradle=yes
+
+Auto Update Mode:Version v%v
+Update Check Mode:Tags
+Current Version:3.0.7-alpha
+Current Version Code:46