Moved contents of seasoned_api up to root folder

src/config/environmentVariables.js

@@ -0,0 +1,15 @@
+class EnvironmentVariables {
+   constructor(variables) {
+      this.variables = variables || process.env;
+   }
+
+   get(variable) {
+      return this.variables[variable];
+   }
+
+   has(variable) {
+      return this.get(variable) !== undefined;
+   }
+}
+
+module.exports = EnvironmentVariables;