feature(project): add util app emqx_libs

apps/emqx_libs/.gitignore

@@ -0,0 +1,19 @@
+.rebar3
+_*
+.eunit
+*.o
+*.beam
+*.plt
+*.swp
+*.swo
+.erlang.cookie
+ebin
+log
+erl_crash.dump
+.rebar
+logs
+_build
+.idea
+*.iml
+rebar3.crashdump
+*~

apps/emqx_libs/README.md

@@ -0,0 +1,9 @@
+emqx_libs
+=====
+
+Common libs for emqx
+
+Build
+-----
+
+    $ rebar3 compile

apps/emqx_libs/rebar.config

@@ -0,0 +1,2 @@
+{erl_opts, [debug_info]}.
+{deps, []}.

apps/emqx_libs/src/emqx_libs.app.src

@@ -0,0 +1,14 @@
+{application, emqx_libs,
+ [{description, "EMQ X library"},
+  {vsn, "5.0"},
+  {registered, []},
+  {applications,
+   [kernel,
+    stdlib
+   ]},
+  {env,[]},
+  {modules, []},
+  {licenses, ["Apache 2.0"]},
+  {maintainers, ["EMQ X Team <contact@emqx.io>"]},
+  {links, []}
+ ]}.

apps/emqx_libs/src/emqx_libs.erl

@@ -0,0 +1,3 @@
+-module(emqx_libs).
+
+-export([]).