Update docs

docs/.vitepress/config.mts

@@ -11,7 +11,6 @@ export default defineConfig({
 			{ text: "Learn", link: "/" },
 			{ text: "API", link: "/api/jecs.md" },
 			{ text: "Examples", link: "https://github.com/Ukendio/jecs/tree/main/examples" },
-			{ text: "Coverage", link: "/coverage/index.html" },
 		],
 
 		sidebar: {

docs/learn/concepts/addons.md

@@ -2,12 +2,26 @@
 
 A collection of third-party jecs addons made by the community. If you would like to share what you're working on, [submit a pull request](https://github.com/Ukendio/jecs)!
 
-# Debuggers
+# Development tools
 
 ## [jabby](https://github.com/alicesaidhi/jabby)
 
 A jecs debugger with a string-based query language and entity editing capabilities.
 
+## [jecs_entity_visualiser](https://github.com/Ukendio/jecs/tree/main/addons/entity_visualiser)
+
+A simple entity and component visualiser in the output
+
+## [jecs_lifetime_tracker](https://github.com/Ukendio/jecs/tree/main/addons/lifetime_tracker)
+
+A tool for inspecting entity lifetimes
+
+# Helpers
+
+## [jecs_observers](https://github.com/Ukendio/jecs/tree/main/addons/observers)
+
+Observers for queries and signals for components
+
 # Schedulers
 
 ## [lockstep scheduler](https://gist.github.com/1Axen/6d4f78b3454cf455e93794505588354b)
@@ -26,3 +40,5 @@ Provides hooks and a scheduler that implements jabby and a topographical runtime
 
 An agnostic scheduler inspired by Bevy and Flecs, with core features including phases, pipelines, run conditions, and startup systems.
 Planck also provides plugins for Jabby, Matter Hooks, and more.
+
+# Observers

test/tests.luau

@@ -133,7 +133,7 @@ TEST("#adding a recycled target", function()
 
 end)
 
-local entity_visualizer = require("@addons/entity_visualiser")
+local entity_visualizer = require("@tools/entity_visualiser")
 
 TEST("#repro2", function()
 	local world = world_new()
@@ -170,7 +170,7 @@ TEST("#repro2", function()
 	CHECK(world:get(entity, pair(Lifetime, Beam)) == 1)
 end)
 
-local lifetime_tracker_add = require("@addons/lifetime_tracker")
+local lifetime_tracker_add = require("@tools/lifetime_tracker")
 
 TEST("another", function()
 	local world = world_new()
@@ -307,8 +307,8 @@ TEST("world:cleanup()", function()
 	CHECK(#archetype_index["1_2_3"].entities == 1)
 end)
 
-local pe = require("@addons/entity_visualiser").prettify
-local lifetime_tracker_add = require("@addons/lifetime_tracker")
+local pe = require("@tools/entity_visualiser").prettify
+local lifetime_tracker_add = require("@tools/lifetime_tracker")
 
 TEST("world:entity()", function()
 	do

test/tools/entity_visualiser.luau

@@ -1,7 +1,7 @@
 local jecs = require("@jecs")
 local pair = jecs.pair
 local ChildOf = jecs.ChildOf
-local lifetime_tracker_add = require("@addons/lifetime_tracker")
+local lifetime_tracker_add = require("@tools/lifetime_tracker")
 local world = lifetime_tracker_add(jecs.world(), {padding_enabled=false})
 local FriendsWith = world:component()
 world:print_snapshot()

tools/lifetime_tracker.luau

@@ -4,7 +4,7 @@ local ECS_ID = jecs.ECS_ID
 local __ = jecs.Wildcard
 local pair = jecs.pair
 
-local prettify = require("@addons/entity_visualiser").prettify
+local prettify = require("@tools/entity_visualiser").prettify
 
 local pe = prettify