Learning Exercises Icons

Common repository for custom font icons used by OLE and OTK for learning exercises.

Adding new icons

Import fonts/learning-experiences-icon.svg into icomoon app
Add new .svg file into existing set
Download new font set with new svg files with the iteration names le_XX
Replace the existing files (*.svg, *.ttf, *.woff) inside fonts/ and add selection.json to the folder too
Commit changes with commit structure:
```
git commit -m "build(VERSION): Added new X icons"
```
Note: VERSION should be the next release version
Push changes to master with the --follow-tags option
Release new package version
```
npm run release
```