feat: Major refactor, implement web, caching, better tests and build files

* Update golang version to 1.24
* Update multiarch Dockerfile to be more ISA agnostic
* Refactor existing code and properly structure project into modules
* Get rid of global variables except where necessary (go:embed)
* Add default values to Config
* Add webserver with templates to finally correctly serve videos and gifs
* Add tiny caching library to decrease api load and improve latency
* Improve Webhook data preparation by filtering out redundant links
  from the tweet text and properly attaching videos and gifs in separate
  webhook request by utilising new webserver
* Improve tests for filter function
* Improve bake definition for easier CI integration

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22 AS build
+FROM golang:1.24 AS build
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends ca-certificates
@@ -17,4 +17,4 @@ COPY --from=build /tmp/app/discord-tweeter .
 #COPY ./config.example.toml ./config.toml
 
 ENTRYPOINT [ "./discord-tweeter" ]
-# CMD [ "./config.toml" ]
+#CMD [ "./config.toml" ]