added app src file

src/ecrecover.app.src

@@ -0,0 +1,18 @@
+{application, ecrecover,
+ [{description, "ecrecover implementation"},
+  {vsn, "1.0.0"},
+  {registered, []},
+  {applications,
+   [kernel,
+    stdlib,
+    lager,
+    enacl,
+    ecrecover,
+    ecrecoverprebuilt
+   ]},
+  {env,[]},
+  {modules, []},
+  {maintainers, []},
+  {licenses, []},
+  {links, []}
+ ]}.