Add the ability to set Minecraft's memory JVM argument in gradle.properties

fabric/build.gradle

@@ -127,7 +127,7 @@ processResources {
 runClient {
     dependsOn(copyCoreResources)
     dependsOn(copyCommonLoaderResources)
-    jvmArgs "-XX:-OmitStackTraceInFastThrow"
+    jvmArgs([ "-XX:-OmitStackTraceInFastThrow", minecraftMemoryJavaArg ])
     finalizedBy(deleteResources)
 }
 

forge/build.gradle

@@ -36,7 +36,7 @@ loom {
             setConfigName("Forge Client")
             ideConfigGenerated(true)
             runDir("run")
-            vmArg("-XX:-OmitStackTraceInFastThrow")
+            vmArgs("-XX:-OmitStackTraceInFastThrow", minecraftMemoryJavaArg)
         }
         server {
             server()

gradle.properties

@@ -44,3 +44,6 @@ versionStr=
 # This defines what MC version Intellij will use for the preprocessor
 # and what version is used automatically by build and run commands
 mcVer=1.20.1
+
+# Defines the maximum amount of memory Minecraft is allowed when run in a developement environment
+minecraftMemoryJavaArg="-Xmx4G"