Updated my weapon mod.

Fixed some typos and edited the ew_item_groups.json.
Added two new weapons, the CWD-63 and the Wrist DREAD.
Nerfed the ammo a little and should be rarer from now.
Fixed the tabs in modinfo.json
Fixed the ew_item_groups.json
Fixed the whitespace.
Edited the modinfo.json
Merge pull request #5937 from redice99/iwm

Updated my weapon mod.