Added gson as a dependency

build.gradle

@@ -76,6 +76,7 @@ allprojects {
     shadowJar {
         relocate('org.bstats.bukkit', 'com.willfp.eco.shaded.bstats')
         relocate('org.apache.maven', 'com.willfp.eco.shaded.maven')
+        relocate('com.google.gson', 'com.willfp.eco.shaded.gson')
     }
 
     jar {

eco-api/build.gradle

@@ -11,6 +11,7 @@ dependencies {
     compileOnly 'org.bstats:bstats-bukkit:1.7'
     compileOnly 'com.comphenix.protocol:ProtocolLib:4.6.0-SNAPSHOT'
     compileOnly 'me.clip:placeholderapi:2.10.9'
+    compileOnly 'com.google.code.gson:gson:2.8.7'
 }
 
 compileJava.options.encoding = 'UTF-8'

eco-core/core-plugin/build.gradle

@@ -4,6 +4,7 @@ version rootProject.version
 dependencies {
     implementation 'org.apache.maven:maven-artifact:3.0.3'
     implementation 'org.bstats:bstats-bukkit:1.7'
+    implementation 'com.google.code.gson:gson:2.8.7'
     compileOnly 'org.spigotmc:spigot-api:1.16.5-R0.1-SNAPSHOT'
     compileOnly project(":eco-core:core-proxy")
     compileOnly 'com.comphenix.protocol:ProtocolLib:4.6.0-SNAPSHOT'