Add detox commands

Author: matt-oakes

src/commands/detox_build.yml

@@ -0,0 +1,11 @@
+description: Builds the app with the given Detox configuration, as specified in package.json.
+
+parameters:
+  configuration:
+    description: The Detox configuration to build.
+    type: string
+
+steps:
+  - run:
+      name: Detox Build
+      command: detox build -c <<parameters.configuration>>

src/commands/detox_test.yml

@@ -0,0 +1,11 @@
+description: Tests the app with the given Detox configuration, as specified in package.json.
+
+parameters:
+  configuration:
+    description: The Detox configuration to test.
+    type: string
+
+steps:
+  - run:
+      name: Detox Test
+      command: detox test -c <<parameters.configuration>>

src/commands/metro_start.yml

@@ -0,0 +1,7 @@
+description: Starts the Metro packager.
+
+steps:
+  - run:
+      name: Start Metro Packager (Background)
+      background: true
+      command: react-native start