Merge pull request #9 from Andre-LA/bugfix/memory-issues-2

minor detail: fix weird indentation

fix `res_data` data leak on `tico_plugin_resources_init`

fix string leak on tico_json_clone

freeing malloc'd resources by `tico_font_load_default`

each `plugin.data` must be zero initialized.

`strlen` doesn't include the null byte

Only use `strcpy` when a "name" field is present on `jsonConfig`.

Merge pull request #8 from Andre-LA/bugfix/resource-add

fix memory issue when adding a resource

Merge pull request #6 from canoi12/add-license-1

Create LICENSE

more improvements on the editor

updated cimgui

updated cimgui