Sync the code with the DB schema that Diesel detects

It turns out that the order of the columns in the schema reflects the order that
they are added in the DB migrations, and the order in the Queryable struct must
match as well. So, fix that.

src/database.rs

@@ -32,13 +32,6 @@ pub struct Doc {
     /// This value can change.
     pub name: String,
 
-    /// The MIME type of this document.
-    ///
-    /// Special values include:
-    ///
-    /// - `application/vnd.google-apps.folder`, which indicates a folder
-    pub mime_type: String,
-
     /// Whether the user has starred this document.
     pub starred: bool,
 
@@ -50,6 +43,13 @@ pub struct Doc {
     /// Prefer `utc_mod_time()` to get this information with correct timezone
     /// tagging. (Namely, that this value is UTC.)
     pub modified_time: NaiveDateTime,
+
+    /// The MIME type of this document.
+    ///
+    /// Special values include:
+    ///
+    /// - `application/vnd.google-apps.folder`, which indicates a folder
+    pub mime_type: String,
 }
 
 impl Doc {

src/schema.rs

@@ -2,10 +2,10 @@ table! {
     docs (id) {
         id -> Text,
         name -> Text,
-        mime_type -> Text,
         starred -> Bool,
         trashed -> Bool,
         modified_time -> Timestamp,
+        mime_type -> Text,
     }
 }