Add findTitle as a module

browser/lib/findNoteTitle.js

@@ -0,0 +1,32 @@
+export function find (value) {
+  let splitted = value.split('\n')
+  let title = null
+  let isMarkdownInCode = false
+
+  for (let i = 0; i < splitted.length; i++) {
+    let trimmedLine = splitted[i].trim()
+    if (trimmedLine.match('```')) {
+      isMarkdownInCode = !isMarkdownInCode
+    } else if (isMarkdownInCode === false && trimmedLine.match(/^# +/)) {
+      title = trimmedLine.substring(1, trimmedLine.length).trim()
+      break
+    }
+  }
+
+  if (title == null) {
+    title = ''
+    for (let i = 0; i < splitted.length; i++) {
+      let trimmedLine = splitted[i].trim()
+      if (trimmedLine.length > 0) {
+        title = trimmedLine
+        break
+      }
+    }
+  }
+
+  return title
+}
+
+export default {
+  find
+}