Add javadocs convention (#1790)

* Add javadocs convention

* Update CONVENTIONS.md

CONVENTIONS.md

@@ -43,6 +43,7 @@ time to type thanks to IDE autocompletion. Common abbreviations you should use a
  - "pos" for "position"
  - "nbt" for "named binary tag"
  - "init" for "initialize"
+ - "min"/"max" for "minimum"/"maximum"
  - Any abbreviations used by Java or libraries ("json", "html", etc.)
 
 Treat acronyms as single words rather than capitalising every letter. This improves readability (compare `JsonObject` and
@@ -113,6 +114,14 @@ front of the coordinate (`velocityX`, not `xVelocity`).
 
 Name screen coordinates `x` and `y`, rather than `left` and `top`.
 
+## Javadocs
+
+Write sentences for class, method and fields javadocs, starting with an uppercase and ending with a period. Start method docs with verbs, like `Gets` or `Called`. Use HTML tags such as `<p>` if the docs have several paragraphs.
+
+Write quick descriptions for parameter javadocs as well as `@return` tags, with no uppercase or period. Add parameter docs to the parameter itself instead of using the `@param` tag.
+
+Use `@link`, `@linkplain` and `@see` tags to refer to other parts of the code.
+
 ## Mojang names
 
 **Do not use names from Mojang's obfuscation maps.**

gradle.properties

@@ -1,5 +1,5 @@
 # Done to increase the memory available to gradle.
 org.gradle.jvmargs=-Xmx1G
 
-enigma_version=0.21+build.218
+enigma_version=0.21.4+build.225
 stitch_version=0.5.1+build.77