Add initial draft of HTTP bridge

...benchmarks/http-bridge/.settings/org.eclipse.jdt.ui.prefs

.../http-bridge/.settings/qa.eclipse.plugin.checkstyle.prefs

...chmarks/http-bridge/.settings/qa.eclipse.plugin.pmd.prefs

theodolite-benchmarks/http-bridge/build.gradle

...main/java/theodolite/commons/httpbridge/Deserializer.java

...src/main/java/theodolite/commons/httpbridge/Endpoint.java

.../java/theodolite/commons/httpbridge/GsonDeserializer.java

...c/main/java/theodolite/commons/httpbridge/HttpBridge.java

.../java/theodolite/commons/httpbridge/JavalinWebServer.java

theodolite-benchmarks/settings.gradle