Forum changes

- Added 2 new svg icons
- Fixed visual styling bugs on Forum page involving overflowing containers
- Added current network name underneath "Forum" title
- Input in Forum.js now sends ws message to server with new post, which is then broadcasted through the ws
- Forum app now displays a list of posts for the current network showing the author, time, text, whether it's been edited, and whether it's yours
- ForumPanel.js .onClick() contains the ws calls for DELETE and PUT
- Fixed bug where Forum would not scroll to top upon a new post/onAppear
- Modified ws GET call in ForumPanel.js to reflect new format
- Added .onEvent() handlers inForumPanel.js for "new-post", "deleted-post", and "edited-post"
- Changed AppMenu People icon
-

src/_/icons/trash.svg

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