feat(neogen): Add additional languages to Neogen (#1419)

This adds three additional languages to Neogen: `javascript`, `javascriptreact` and `ruby`.

Author: LandonSchropp

lua/astrocommunity/editing-support/neogen/init.lua

@@ -20,7 +20,10 @@ return {
   opts = {
     snippet_engine = "luasnip",
     languages = {
+      javascript = { template = { annotation_convention = "jsdoc" } },
+      javascriptreact = { template = { annotation_convention = "jsdoc" } },
       lua = { template = { annotation_convention = "ldoc" } },
+      ruby = { template = { annotation_convention = "yard" } },
       typescript = { template = { annotation_convention = "tsdoc" } },
       typescriptreact = { template = { annotation_convention = "tsdoc" } },
     },