rename modules according to rules

.gitignore

@@ -91,10 +91,10 @@ out
 .gradle
 !gradle/wrapper/gradle-wrapper.jar
 
-frontend/src/index.js
+client/src/index.js
 
 .env
 
 .DS_Store
 
-backend/src/resources/application.yml
+server/src/resources/application.yml

build.gradle

@@ -50,18 +50,18 @@ dependencies {
 sourceSets {
     main {
         java {
-            srcDir 'backend/src/main/'
+            srcDir 'server/src/main/'
         }
         resources {
-            srcDir 'backend/src/resources'
+            srcDir 'server/src/resources'
         }
     }
     test {
         java {
-            srcDir 'backend/src/test/java'
+            srcDir 'server/src/test/java'
         }
         resources {
-            srcDir 'backend/src/test/resources'
+            srcDir 'server/src/test/resources'
         }
     }
 }