Initial commit, taking into account the possible issue below

This is just a fallback in case flex-button doesn't work.
facebook/react-native#213
If you name your app with hyphens react-native will create a
broken project by default.
This is not a project, so it shouldn't be an issue, but we'll see.

.gitignore

@@ -0,0 +1,17 @@
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+
+# misc
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+#mac
+.DS_Store

FlextButton.js

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+// A standard UI button (big by default)
+
+import React from 'react';
+import { Text, TouchableOpacity } from 'react-native';
+
+
+const FlexButton = function ({ extraStyles, textStyles, onPress, children }) {
+
+    extraStyles = extraStyles || {};
+    textStyles  = textStyles || {};
+
+    return (
+        <TouchableOpacity
+            style   = {[ styles.button, extraStyles ]}
+            onPress = { onPress } >
+
+            <Text style={[ styles.buttonText, textStyles ]}> { children } </Text>
+
+        </TouchableOpacity>
+    );
+
+};  // End <FlexButton>
+
+
+const styles = {
+    button: {
+        flex: 1,
+        alignItems: 'center',
+        justifyContent: 'center',
+        padding: 3,
+        borderRadius: 8,
+        borderColor: 'white',
+        borderWidth: 1,
+        backgroundColor: 'gray',
+    },
+    buttonText: {
+        color: 'white',
+        fontSize: 15,
+    },
+};  // end styles
+
+export {
+    FlexButton,
+};