Add README

Author: jlavelle

README.md

@@ -0,0 +1,24 @@
+## Running the Tests
+
+Run all tests: `spago test`
+
+### API Test Config
+
+The API tests require a config file `tests/config.json` with the following format:
+
+```json
+{
+  "startServer": {
+    "executable": "", // Server executable to spawn before each test
+    "arguments": []   // arguments passed to the executable
+  },
+  "workingDir": "",   // Working directory for cleanup and startServer commands
+  "apiUrl": "",       // Root URL of the api, e.g. http://localhost:3000/api
+  "cleanup": "",      // Cleanup command to run after each test
+  "envVars": [        // Env vars for the startServer and cleanup commands
+    { "key": "", "value": "" } 
+  ]
+}
+```
+
+The `cleanup` command should clear out the database.