Add dropzone for attachment, paste attachment from clipboard

client/src/locales/en/app.js

@@ -42,6 +42,7 @@ export default {
       createLabel_title: 'Create Label',
       createNewOneOrSelectExistingOne: 'Create a new one or select<br />an existing one',
       createProject_title: 'Create Project',
+      createTextFile_title: 'Create Text File',
       currentPassword: 'Current password',
       date: 'Date',
       dueDate: 'Due date',
@@ -55,6 +56,7 @@ export default {
       deleteTask_title: 'Delete Task',
       deleteUser_title: 'Delete User',
       description: 'Description',
+      dropFileToUpload: 'Drop file to upload',
       editAttachment_title: 'Edit Attachment',
       editAvatar_title: 'Edit Avatar',
       editBoard_title: 'Edit Board',
@@ -69,6 +71,7 @@ export default {
       emailAlreadyInUse: 'E-mail already in use',
       enterCardTitle: 'Enter card title...',
       enterDescription: 'Enter description...',
+      enterFilename: 'Enter filename',
       enterListTitle: 'Enter list title...',
       enterProjectTitle: 'Enter project title',
       enterTaskDescription: 'Enter task description...',
@@ -129,6 +132,7 @@ export default {
       addToCard: 'Add to card',
       addUser: 'Add user',
       createBoard: 'Create board',
+      createFile: 'Create file',
       createLabel: 'Create label',
       createNewLabel: 'Create new label',
       createProject: 'Create project',