add :makePluginsJson task and set zip to .cs3

src/main/kotlin/com/lagradost/cloudstream3/gradle/tasks/MakePluginsJsonTask.kt

@@ -0,0 +1,37 @@
+package com.lagradost.cloudstream3.gradle.tasks
+
+import com.lagradost.cloudstream3.gradle.findCloudstream
+import com.lagradost.cloudstream3.gradle.makeManifest
+import com.lagradost.cloudstream3.gradle.entities.PluginManifest
+import groovy.json.JsonBuilder
+import groovy.json.JsonGenerator
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.tasks.OutputFile
+import org.gradle.api.tasks.TaskAction
+import java.util.LinkedList
+
+abstract class MakePluginsJsonTask : DefaultTask() {
+    @get:OutputFile
+    abstract val outputFile: RegularFileProperty
+
+    @TaskAction
+    fun makePluginsJson() {
+        val lst = LinkedList<PluginManifest>()
+
+        for (subproject in project.allprojects) {
+            val cloudstream = subproject.extensions.findCloudstream() ?: continue
+
+            lst.add(subproject.makeManifest())
+        }
+
+        outputFile.asFile.get().writeText(
+            JsonBuilder(
+                lst,
+                JsonGenerator.Options()
+                    .excludeNulls()
+                    .build()
+            ).toString()
+        )
+    }
+}

src/main/kotlin/com/lagradost/cloudstream3/gradle/tasks/Tasks.kt

@@ -18,6 +18,16 @@ fun registerTasks(project: Project) {
     val extension = project.extensions.getCloudstream()
     val intermediates = project.buildDir.resolve("intermediates")
 
+    if (project.rootProject.tasks.findByName("makePluginsJson") == null) {
+        project.rootProject.tasks.register("makePluginsJson", MakePluginsJsonTask::class.java) {
+            it.group = TASK_GROUP
+
+            it.outputs.upToDateWhen { false }
+
+            it.outputFile.set(it.project.buildDir.resolve("plugins.json"))
+        }
+    }
+
     project.tasks.register("genSources", GenSourcesTask::class.java) {
         it.group = TASK_GROUP
     }
@@ -69,6 +79,7 @@ fun registerTasks(project: Project) {
             //zip.dependsOn(compileResources.get())
             zip.isPreserveFileTimestamps = false
             zip.archiveBaseName.set(project.name)
+            zip.archiveExtension.set("cs3")
             zip.archiveVersion.set("")
             zip.destinationDirectory.set(project.buildDir)
 
@@ -82,11 +93,6 @@ fun registerTasks(project: Project) {
         it.group = TASK_GROUP
     }
 
-    project.tasks.register("dumpManifest", DumpManifestTask::class.java) {
-        it.group = TASK_GROUP
-        it.dependsOn("make")
-    }
-
     project.tasks.register("deployWithAdb", DeployWithAdbTask::class.java) {
         it.group = TASK_GROUP
         it.dependsOn("make")