Add a WIP .fdroid.yml that seems to actually build something.

.fdroid.yml

@@ -0,0 +1,24 @@
+License: MIT
+
+AutoName: tildefriends
+
+RepoType: git
+Repo: https://dev.tildefriends.net/cory/tildefriends.git
+
+Builds:
+  - versionName: 0.0.21-wip
+    versionCode: 22
+    commit: 9e5a1ee9758281a93521cacd9cd396e0c3763072
+    subdir: src/android
+    submodules: true
+    scanignore:
+      - deps/libuv/docs/src/static/diagrams.key/Index.zip
+    androidupdate:
+      - no
+    build:
+      - mkdir bin/
+      - ANDROID_SDK=$$SDK$$ ANDROID_NDK=$$NDK$$ make -C ../../ -j`nproc` out/apk/TildeFriends-arm-release.unsigned.apk
+    ndk: 26.3.11579264
+
+AutoUpdateMode: None
+UpdateCheckMode: Tags