V0.3.0 erldoc (#7)

* Adjusting version

* Initiating some edoc stuff

* Doc check

* Fixing docs

* Do a hard type check when entering nodes

* Two fixes:

- Module call change from enacl to ecu_eddsa
- Fix the v3 call endpoint for top block

* Fix top_block typespec and make top_height great again

* Fix typo

bindings/erlang/zomp.meta

@@ -14,7 +14,7 @@
 {license,"MIT"}.
 {modules,[]}.
 {name,"Vanillae for Erlang"}.
-{package_id,{"otpr","vanillae",{0,2,0}}}.
+{package_id,{"otpr","vanillae",{0,3,1}}}.
 {prefix,"v"}.
 {repo_url,"https://github.com/aeternity/Vanillae"}.
 {tags,[]}.