refactor buildSrc scripts to root directory

buildSrc/src/main/kotlin/Versions.kt

@@ -0,0 +1,21 @@
+object Versions {
+    object Libraries {
+        const val tectonic = "3.1.0"
+        
+        const val cloud = "1.6.1"
+        
+        const val slf4j = "1.7.32"
+        const val log4j_slf4j_impl = "2.14.1"
+    }
+    
+    object Fabric {
+        const val fabricAPI = "0.44.0+1.18"
+        const val minecraft = "1.18.1"
+        const val yarn = "$minecraft+build.7"
+    }
+    
+    object Bukkit {
+        const val paper = "1.18-R0.1-SNAPSHOT"
+        const val paperLib = "1.0.5"
+    }
+}