Fix misspellings

src/shared/dbUtilis.js

@@ -43,7 +43,7 @@ function storeCover(book, path, cb) {
  * @returns {String} which will be used as a id to store file info in db
  */
 
-function genrateKey(filePath) {
+function generateKey(filePath) {
   if (!filePath || typeof filePath !== 'string') {
     return '';
   }
@@ -161,7 +161,7 @@ function getInfo(filePath, callback) {
   }
 
   // create a key from path
-  const key = genrateKey(filePath);
+  const key = generateKey(filePath);
 
   // file load on file protocol
   const uri = fileUrl(filePath);
@@ -221,8 +221,8 @@ function addToDB(file, db, cb) {
       key
     );
 
-    storeCover(book, coverPath, isSucces => {
-      if (isSucces) {
+    storeCover(book, coverPath, isSuccess => {
+      if (isSuccess) {
         info.coverPath = fileUrl(coverPath);
         Vibrant.from(coverPath)
           .getPalette((err, palette) => {
@@ -249,4 +249,4 @@ function addToDB(file, db, cb) {
   });
 }
 
-export { addToDB, storeCover, genrateKey, getInfo, parshToc };
+export { addToDB, storeCover, generateKey, getInfo, parshToc };