Fix jitpack not added to sources

Author: ospfranco

expo-plugin/src/android/withOpacityProjectBuildGradle.ts

@@ -5,14 +5,27 @@ import {
 
 export const withOpacityProjectBuildGradle: ConfigPlugin = (config) => {
   return withProjectBuildGradle(config, async (config) => {
-    if (!config.modResults.contents.match('maven.mozilla.org')) {
-      config.modResults.contents = config.modResults.contents.replace(
+    let { contents } = config.modResults;
+
+    // Add Mozilla maven repository if not present
+    if (!contents.match('maven.mozilla.org')) {
+      contents = contents.replace(
         /mavenCentral\(\)/g,
-        `
-        mavenCentral()
+        `mavenCentral()
         maven { url "https://maven.mozilla.org/maven2/" }`
       );
     }
+
+    // Add jitpack repository if not present
+    if (!contents.match('jitpack.io')) {
+      contents = contents.replace(
+        /mavenCentral\(\)/g,
+        `mavenCentral()
+        maven { url 'https://jitpack.io' }`
+      );
+    }
+
+    config.modResults.contents = contents;
     return config;
   });
 };