Add support for manually supplying Bedrock resource packs (#1076)

* send resource packs

A lot of this code is nukkit-credits in the classes

* send resource packs

A lot of this code is nukkit-credits in the classes

* Remove unnecessary code/debugs

* use separately generated hashes

* Updated mappings and added .mcpack support

* "packs" directory auto-create (#484)

* "packs" directory auto-create

* cleaned indentation in ResourcePack.java

* Cleaned ResourcePack.java

* Another cleanup

I hate editor on github.

* Yet another

* Another indentation cleanup

* Fix resource pack loading

(cherry picked from commit f93b07491e)

* Move back to internal sha256 hashing

(cherry picked from commit 812a3d82b2)

* Add resource pack loading back after merge

* Add comments, config option and removed unused files

* Fix packs folder location and cleanup code

* Move to better options for the client

* Fix typos in comments

* Fix pack loading

* Try to make it compile

* Final touches?

* Add Javadoc for MathUtils#constrain

Co-authored-by: EOT3000 <43685885+EOT3000@users.noreply.github.com>
Co-authored-by: Vesek <61123478+Vesek@users.noreply.github.com>
Co-authored-by: Heath123 <heath.mitchell27@gmail.com>
Co-authored-by: Camotoy <20743703+DoctorMacc@users.noreply.github.com>

connector/src/main/resources/config.yml

@@ -112,6 +112,11 @@ cache-images: 0
 # the end sky in the nether, but ultimately it's the only way for this feature to work.
 above-bedrock-nether-building: false
 
+# Force clients to load all resource packs if there are any.
+# If set to false it allows the user to disconnect from the server if they don't
+# want to download the resource packs
+force-resource-packs: true
+
 # bStats is a stat tracker that is entirely anonymous and tracks only basic information
 # about Geyser, such as how many people are online, how many servers are using Geyser,
 # what OS is being used, etc. You can learn more about bStats here: https://bstats.org/.