Add Modrinth maven, use exclusiveContent for cursemaven too (#205)

build.gradle

@@ -575,13 +575,28 @@ repositories {
         }
     }
     if (includeWellKnownRepositories.toBoolean()) {
-        maven {
-            name "CurseMaven"
-            url "https://cursemaven.com"
-            content {
+        exclusiveContent {
+            forRepository {
+                maven {
+                    name "CurseMaven"
+                    url "https://cursemaven.com"
+                }
+            }
+            filter {
                 includeGroup "curse.maven"
             }
         }
+        exclusiveContent {
+            forRepository {
+                maven {
+                    name = "Modrinth"
+                    url = "https://api.modrinth.com/maven"
+                }
+            }
+            filter {
+                includeGroup "maven.modrinth"
+            }
+        }
         maven {
             name = "ic2"
             url = "https://maven.ic2.player.to/"