Start documenting some of the bradle scripts.

Signed-off-by: Gabriel Harris-Rouquette <gabizou@me.com>

core/build.gradle.kts

@@ -1,23 +1,27 @@
 import Config.Libs as Libs
+// Config is located in <root>/buildSrc/src/main/java/Config.kt
+// It provides a bunch of constant values we use as dependency
+// strings, so we don't have to duplicate a bunch of them in
+// various scripts. The import as allows for shorthand.
 
 plugins {
-    `java-library`
-    id("com.github.johnrengelman.shadow")
+    `java-library` // This is already provided, but for static compilation,
+    // we declare it here so we can use the IDE static type references
 }
 
 dependencies {
 
-    compile(Libs.configurate) {
-        exclude(Deps.Groups.guava, Deps.Modules.guava)
-        exclude(Deps.Groups.checker, Deps.Modules.checker)
+    compile(Libs.configurate) { // Configurate-Yaml dependency, inherits Configurate-core
+        exclude(Deps.Groups.guava, Deps.Modules.guava) // Exclude guava
+        exclude(Deps.Groups.checker, Deps.Modules.checker) // Exclude checkerframework
     }
-    compile(Libs.flowmath)
-    compile(Libs.jdbc)
-    compile(Libs.juli)
-    testCompile(Libs.junitDep)
+    compile(Libs.flowmath) // flowpowered math, for more maths.
+    compile(Libs.jdbc) // Database connectors
+    compile(Libs.juli) // Database connectors
+    testCompile(Libs.junitDep) // junit for testing
 
     // Spigot for in-dev dependency
-    compileOnly(Libs.Bukkit.`1_13`.spigotApi) {
-        isTransitive = false
+    compileOnly(Libs.Bukkit.`1_13`.spigotApi) { // Spigot only for temporary usage in core
+        isTransitive = false // Don't include spigot api's dependencies
     }
 }