LMT Zeppelin Dark Theme

Dark theme for local Zeppelin or Zepl. Support dark theme for Zeppelin (localhost, 8080 port) and zepl.com website. Changelog: 0.1.4 - Local - Background color fix for warning box (truncate warning box, for instance). - Zepl.com (No changes). 0.1.3 - Zepl - https://www.zepl.com/account "Edit Account" button fix. - Table display fix. - Notebook circle loader icon now with dark background. - Code comment color update. - Fix color of table/chart settings. - Local - Fix dark text in header drop down (Notebook, profile). - Fix setting panel color. - Text color of button tooltip in paragraph fix. - Fix drop down download text color. 0.1.2 - Zepl.com - Fix drop down, inputs may have white background with white text when being hovered. - Local Zeppelin - (No changes) 0.1.1 - Zepl.com - Fix text color in tag. - Input background was set to black with white text color as default. - Scalable font-size for codes in paragraph. - Code line with dark color. - Improve styles. - Local Zeppelin - Code line with dark color. - Code colors for keywords, functions,… were improved. - Improve styles.