Add Cinema mod and Sayobot mirror (#34)

* Update compile version and mirror repo
* Drop Gradle support
* Add Sayobot beatmap mirror (WIP)
* Handle Cinema mod

.github/dependabot.yml

@@ -5,12 +5,8 @@
 
 version: 2
 updates:
-  - package-ecosystem: "gradle" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "daily"
   - package-ecosystem: "maven"
-    directory: "/repo"
+    directory: "/"
     schedule:
       interval: "daily"
   - package-ecosystem: "github-actions"

README.md

@@ -50,7 +50,9 @@ The following files and folders will be created by opsu! as needed:
 
 ## Building
 
-opsu! is distributed as both a [Maven](https://maven.apache.org/) and [Gradle](https://gradle.org/) project.
+opsu! is distributed as a [Maven](https://maven.apache.org/) project.
+
+Due to technical reasons, the support for [Gradle](https://gradle.org/) has been temporarily dropped.
 
 ### Maven
 
@@ -61,15 +63,6 @@ Maven builds are built to the `target` directory.
   - Setting the "XDG" property (`-DXDG=true`) will make the application use XDG folders under Unix-like operating systems.
   - Setting the "exclude" property to "ffmpeg" (`-Dexclude=ffmpeg`) will exclude FFmpeg shared libraries from the jar.
 
-### Gradle
-
-Gradle builds are built to the `build` directory.
-
-- To run the project, execute the Gradle task `run`.
-- To create a single executable jar, execute the Gradle task `jar`. This will compile a jar to `build/libs/opsu-${version}.jar` with the libraries, resources and natives packed inside the jar.
-  - Setting the "XDG" property (`-PXDG=true`) will make the application use XDG folders under Unix-like operating systems.
-  - Setting the "excludeFFmpeg" property (`-PexcludeFFmpeg`) will exclude FFmpeg shared libraries from the jar.
-
 ## Contributing
 
 See the [contributing guidelines](CONTRIBUTING.md) for details.