Waver emscripten build (#8)

* waver: add indicators for new messages and capture data

* wip

* waver : adding favicons

* waver : emscripten build ready

examples/waver/interface-emscripten.cpp

@@ -0,0 +1,43 @@
+#include "interface.h"
+
+#include <fstream>
+
+void interface_addFile(
+        const char * ,
+        const char * ,
+        const char * ,
+        size_t ) {
+}
+
+void interface_loadAllFiles() {
+}
+
+void interface_shareFile(
+        const char * ,
+        const char * ,
+        const char * ,
+        size_t ) {
+}
+
+void interface_openFile(
+        const char * ,
+        const char * ,
+        const char * ,
+        size_t ) {
+}
+
+void interface_deleteFile(
+        const char * ,
+        const char * ) {
+}
+
+void interface_receiveFile(
+        const char * ,
+        const char * ,
+        const char * ,
+        size_t ) {
+}
+
+bool interface_needReloadFiles() {
+    return false;
+}