Toshaan Bharvani 602628c969 event updates
* event list is now as discussed
    - call to action buttons
    - no text, just the title
    - date and place
    - cfp is red to highlight
* frontmatter sanatization
* use of shortcodes in place of conditional code

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>
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css event updates
img add homepage, header, footer, styles
js Responsive menu, general responsive fixes, concatenate scss