Prepare for OpenDC 2.0 release (v1)

This pull request performs several preparations for the official release of OpenDC 2.0. 
This pull request mostly focuses on documentation changes.

## Details
1. Restructure project documentation
2. Migrate to Dokka 1.4.32
3. Merge CI builds into single workflow

4 files changed, 60 insertions, 7 deletions

diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index dc115999..94d6b19d 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -29,6 +29,11 @@ plugins {
 /* Project configuration */
 repositories {
     gradlePluginPortal()
+    maven("https://maven.pkg.jetbrains.space/public/p/kotlinx-html/maven") {
+        content {
+            includeGroup("org.jetbrains.kotlinx")
+        }
+    }
 }
 
 dependencies {
@@ -37,6 +42,7 @@ dependencies {
     implementation("org.jetbrains.dokka:dokka-gradle-plugin:0.10.1")
     implementation("org.jetbrains.kotlin:kotlin-allopen:1.4.31")
     implementation("org.jetbrains.kotlinx:kotlinx-benchmark-plugin:0.3.0")
+    implementation("org.jetbrains.dokka:dokka-gradle-plugin:1.4.32")
 }
 
 tasks.withType<KotlinCompile>().configureEach {
diff --git a/buildSrc/src/main/kotlin/distribution-conventions.gradle.kts b/buildSrc/src/main/kotlin/distribution-conventions.gradle.kts
new file mode 100644
index 00000000..a0b7593d
--- /dev/null
+++ b/buildSrc/src/main/kotlin/distribution-conventions.gradle.kts
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import org.gradle.api.distribution.DistributionContainer
+
+
+plugins {
+    distribution
+}
+
+tasks.named("assembleDist") {
+    val tasks = getTasksByName("assembleDist", true).filter { it.project != project }
+    dependsOn(tasks)
+}
+
+distributions {
+    main {
+        contents {
+            duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+
+            from("README.md")
+            from("LICENSE.txt")
+
+            // Include the distributions of the sub project.
+            getTasksByName("assembleDist", true)
+                .filter { it.project != project }
+                .map { it.project.the<DistributionContainer>()["main"] }
+                .forEach { with(it.contents) }
+        }
+    }
+}
diff --git a/buildSrc/src/main/kotlin/dokka-conventions.gradle.kts b/buildSrc/src/main/kotlin/dokka-conventions.gradle.kts
index 91156cbf..1df9a15c 100644
--- a/buildSrc/src/main/kotlin/dokka-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/dokka-conventions.gradle.kts
@@ -1,7 +1,5 @@
 /*
- * MIT License
- *
- * Copyright (c) 2021 atlarge-research
+ * Copyright (c) 2021 AtLarge Research
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,12 +20,10 @@
  * SOFTWARE.
  */
 
-import org.jetbrains.dokka.gradle.DokkaTask
-
 plugins {
     id("org.jetbrains.dokka")
 }
 
-tasks.getting(DokkaTask::class) {
-    outputFormat = "html"
+repositories {
+    mavenCentral()
 }
diff --git a/buildSrc/src/main/kotlin/kotlin-library-conventions.gradle.kts b/buildSrc/src/main/kotlin/kotlin-library-conventions.gradle.kts
index cf3f2569..43b1d148 100644
--- a/buildSrc/src/main/kotlin/kotlin-library-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/kotlin-library-conventions.gradle.kts
@@ -28,6 +28,7 @@ plugins {
     `java-library`
     kotlin("jvm")
     id("org.jlleitschuh.gradle.ktlint")
+    id("dokka-conventions")
 }
 
 /* Project configuration */