Add .gitignore file and remove target directories from tracking

gateway/target/classes/application.properties

@@ -1,15 +0,0 @@
-server.port=8080
-
-spring.cloud.gateway.routes[0].id=resource-server-a
-spring.cloud.gateway.routes[0].uri=http://localhost:8081
-spring.cloud.gateway.routes[0].predicates[0]=Path=/a/**
-spring.cloud.gateway.routes[0].filters[0]=RewritePath=/a/(?<segment>.*), /api/${segment}
-spring.cloud.gateway.routes[0].filters[1]=TokenRelay
-
-spring.cloud.gateway.routes[1].id=resource-server-b
-spring.cloud.gateway.routes[1].uri=http://localhost:8082
-spring.cloud.gateway.routes[1].predicates[0]=Path=/b/**
-spring.cloud.gateway.routes[1].filters[0]=RewritePath=/b/(?<segment>.*), /api/${segment}
-spring.cloud.gateway.routes[1].filters[1]=TokenRelay
-
-spring.security.oauth2.resourceserver.jwt.jwk-set-uri=http://localhost:9000/oauth2/jwks

resourceservice/target/classes/application.properties

@@ -1 +0,0 @@
-server.port=8081