Correctly target the right steamworks bins (#7)

Downgrade Steamworks to v1.50 for 32bit GMod (#6)

* Downgrade steamworks to v1.50 as of latest update

Add missing url for steamworks150

Add meaningful versioning + preprocessor definitions (#3)

- Exposes fwens.version to the lua interface, meaning developers can bind to a version / check for a difference if they want
- Exposed `GFWENS_VERSION` and `GFWENS_BUILD_DATE` to the build pre-processor so we can define the version straight from the build process
  - If built locally, will default to a string of `LOCAL` and uses the `__DATE__` macro instead
  - Premake will attempt to glean the data via the appropriate lua functions.

Standardise signature parameters & better handle steam disconnection …

…event (#2)

* Added hook "GroupDataSteamStatusChanged" which returns a boolean for when the module believes the connection status to Steam has changed.
* Changed how each Steam connection events gets handled. Now relies more on the underlying connection instead of forcing new contexts.
* No longer listen for GSPolicyResponse
* Now listen for SteamServerConnectFailure
* In the event the underlying Steam connection gives up trying to reconnect, we now force a new context.
* Fixed a rare crash where the context could be valid but the Steam backend had literally just died.
* Bumped version to 1.1
* Upgraded to Steamworks v150.

Minor code formatting changes + proper error handling / output

- Removed this-> References
- Added proper support for if / when lua errors happen.

Major overhaul adding linux / 64 bit support + ci

- Now supports 64 bit version of win32 binary
- Supports linux 32/64
- Minor improvements to code
- Adds github action CI support

Overhaul + Updates

- Revamped Fwens class to better handle and process steam related
features
- Turns out for Steam connections to work, this needs to be compiled
with whatever version gmod is using! (Or a version earlier to it)