Add basic data export framework

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

src/pages/submit-mixin.js

@@ -0,0 +1,13 @@
+export default {
+  methods: {
+    newUid (length) {
+      const uidLength = length || 16
+      const uidChars = 'abcdefghijklmnopqrstuvwxyz0123456789'
+      var uid = []
+      for (var i = 0; i < uidLength; i++) {
+        uid.push(uidChars.charAt(Math.floor(Math.random() * ((i < 4) ? 26 : 36))))
+      }
+      return uid.join('')
+    }
+  }
+}