New base code for mempool blockchain explorerer

frontend/.gitignore

@@ -4,10 +4,16 @@
 /dist
 /tmp
 /out-tsc
+# Only exists if Bazel was run
+/bazel-out
 
 # dependencies
 /node_modules
 
+# profiling files
+chrome-profiler-events.json
+speed-measure-plugin.json
+
 # IDEs and editors
 /.idea
 .project
@@ -23,6 +29,7 @@
 !.vscode/tasks.json
 !.vscode/launch.json
 !.vscode/extensions.json
+.history/*
 
 # misc
 /.sass-cache