Update doc and pages with doc and jar

.gitlab-ci.yml

.gradle/4.7/fileHashes/fileHashes.bin

.gradle/4.7/fileHashes/fileHashes.lock

.gradle/4.7/taskHistory/taskHistory.bin

.gradle/4.7/taskHistory/taskHistory.lock

.gradle/buildOutputCleanup/buildOutputCleanup.lock

.gradle/buildOutputCleanup/outputFiles.bin

build.gradle

index.html

src/main/java/Complex.java

src/main/java/Main.java

src/test/java/ComplexTest.java