♻️ Rollback to java 8 (#5)

Author: Alessevan

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v1.4.3
         with:
-          java-version: 1.11
+          java-version: 1.8
           java-package: jdk
       - name: Make gradlew executable
         run: chmod +x ./gradlew

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v1.4.3
         with:
-          java-version: 1.11
+          java-version: 1.8
           java-package: jdk
       - name: Make gradlew executable
         run: chmod +x ./gradlew

README.md

@@ -50,14 +50,16 @@ inventory.build(player);
 
 ## Intégration
 
-➠  Pour intégrer ce code à gradle :
+[![Release](https://jitpack.io/v/BakaAless/InventoryAPI.svg)](https://jitpack.io/#BakaAless/InventoryAPI)
+
+➠  Pour intégrer ce code à gradle, en remplaçant `Version` par la version ci-dessus :
 ```gradle
 repositories {
   maven { url 'https://jitpack.io' }
 }
 
 dependencies {
-  implementation group: 'com.github.BakaAless', name: 'InventoryAPI', version: 'v1.0.3'
+  implementation group: 'com.github.BakaAless', name: 'InventoryAPI', version: 'VERSION'
 }
 ```
 

build.gradle

@@ -11,7 +11,7 @@ version '1.0.4'
 def spigotVersion = '1.16'
 def subVersion = '.5'
 
-sourceCompatibility = targetCompatibility = '1.11'
+sourceCompatibility = targetCompatibility = '1.8'
 
 repositories {
     maven { url 'https://hub.spigotmc.org/nexus/content/repositories/snapshots' }