Update structure of awesome sentiment resources

What's Changed

• Added missing text to LingPipe by @arekmano in #1
• Add lexicon sources by @thepurpleowl in #2
• NRC Canada lexicons by @laugustyniak in #3
• Refactoring, added language model related works, tutorials and resources by @nicolay-r in #5

New Contributors

• @arekmano made their first contribution in #1
• @thepurpleowl made their first contribution in #2
• @laugustyniak made their first contribution in #3
• @nicolay-r made their first contribution in #5

Full Changelog: https://github.com/laugustyniak/awesome-sentiment-analysis/commits/v1.0.0