Added custom tag (#64)

Author: suratdas

src/main/java/io/visual_regression_tracker/sdk_java/TestRunOptions.java

@@ -12,6 +12,7 @@ public class TestRunOptions {
     private final String browser;
     private final String viewport;
     private final String device;
+    private final String customTags;
     private final Float diffTollerancePercent;
     private final List<IgnoreAreas> ignoreAreas;
 }

src/main/java/io/visual_regression_tracker/sdk_java/VisualRegressionTracker.java

@@ -128,6 +128,7 @@ protected TestRunResponse submitTestRun(String name, String imageBase64,
                 .browser(testRunOptions.getBrowser())
                 .viewport(testRunOptions.getViewport())
                 .device(testRunOptions.getDevice())
+                .customTags(testRunOptions.getCustomTags())
                 .diffTollerancePercent(testRunOptions.getDiffTollerancePercent())
                 .ignoreAreas(testRunOptions.getIgnoreAreas())
                 .build();

src/main/java/io/visual_regression_tracker/sdk_java/request/TestRunRequest.java

@@ -17,6 +17,7 @@ public class TestRunRequest {
     private final String browser;
     private final String viewport;
     private final String device;
+    private final String customTags;
     private final Float diffTollerancePercent;
     private final String branchName;
     private final List<IgnoreAreas> ignoreAreas;

src/test/java/io/visual_regression_tracker/sdk_java/VisualRegressionTrackerTest.java

@@ -150,6 +150,7 @@ public void shouldSubmitTestRun() throws IOException, InterruptedException {
                 .os("OS")
                 .browser("Browser")
                 .viewport("Viewport")
+                .customTags("customTags")
                 .diffTollerancePercent(0.5f)
                 .ignoreAreas(Arrays.asList(IgnoreAreas.builder()
                         .x(100L)
@@ -168,6 +169,7 @@ public void shouldSubmitTestRun() throws IOException, InterruptedException {
                 .browser(testRunOptions.getBrowser())
                 .viewport(testRunOptions.getViewport())
                 .device(testRunOptions.getDevice())
+                .customTags(testRunOptions.getCustomTags())
                 .diffTollerancePercent(testRunOptions.getDiffTollerancePercent())
                 .ignoreAreas(testRunOptions.getIgnoreAreas())
                 .build();