Refactor snippets

• Add new snippets for: goto, return
• Make the snippets compatible with the same from extensions for Sublime Text and Atom
• Add auto indentation after the ':' symbol

Important fixes for the functions, keywords and ternary operator

• Fix broken pattern for the ternary operator
• Add comments, operators, functions to partial patterns for the ternary operator and fix their order
• Make the function patterns more strict
• Make the keyword patterns more strict
• Remove the unsupported constant pattern
• Remove the unsupported entity name pattern
• Allow a capital letter to be the first in the variable name pattern
• Add a pattern for the label

First stable version

• Add vscode marketplace badges
• Remove pattern for unsupported regex literal
• Remove pattern for unsupported relational and comparison operators
• Change the pattern of escape characters
• Change line-ending to lf
• Remove unsupported control statements
• Add snippets for auto statement, ternary operator, switch block and case block
• Remove the ternary operator snippet and change templates for the rest ones
• Add support of comments
• Remove float numbers support
• Remove ~, >>> and ^ bitwise operators because they aren't supported
• Add escaping of string format specifiers
• Remove assignment operator from the auto statement snippet, add the extrn statement snippet
• Remove unsupported logical operators (&& and ||)
• Fix => operator
• Add pattern for the ternary operator
• Add snippet for the return statement

Fundamental rules for B syntax support

• Add extension package configuration
• Add a launch config for the vscode
• Add language configuration
• Add license
• Add fundamental language syntax rules
• Add the if-else and while snippets
• Add a repository url to the package.json
• Add changelog