Per-editor install docs; move icon to assets/

.vscodeignore

@@ -6,3 +6,4 @@ scripts/**
 vsc-extension-quickstart.md
 *.vsix
 assets/**
+!assets/icon.png

README.md

@@ -25,10 +25,32 @@ ush⇥  →  const [count, setCount] = useState(0);
 
 ## Install
 
-Install [React Hooks Snippets](https://marketplace.visualstudio.com/items?itemName=AlDuncanson.react-hooks-snippets)
-from the Visual Studio Marketplace. New to extensions? See the
-[official VS Code docs](https://code.visualstudio.com/docs/configure/extensions/extensions)
-for up-to-date install instructions.
+**VS Code** — install from the
+[Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=AlDuncanson.react-hooks-snippets).
+New to extensions? See the
+[official VS Code docs](https://code.visualstudio.com/docs/configure/extensions/extensions).
+
+**VSCodium, Gitpod & other Open VSX editors** — grab the `.vsix` from the
+[latest release](https://github.com/alDuncanson/react-hooks-snippets/releases/latest)
+and run `codium --install-extension react-hooks-snippets-<version>.vsix`.
+(An Open VSX listing is on the way.)
+
+**Neovim** — this repo doubles as a
+[LuaSnip](https://github.com/L3MON4D3/LuaSnip) snippet source, no port
+needed. Add it with your plugin manager and load VS Code-format snippets:
+
+```lua
+-- lazy.nvim
+{ "alDuncanson/react-hooks-snippets" },
+```
+
+```lua
+require("luasnip.loaders.from_vscode").lazy_load()
+```
+
+Snippets surface through your completion engine
+([blink.cmp](https://github.com/Saghen/blink.cmp),
+[nvim-cmp](https://github.com/hrsh7th/nvim-cmp)) or a LuaSnip expand keymap.
 
 ## Snippets
 

package.json

@@ -3,7 +3,7 @@
 	"displayName": "React Hooks Snippets",
 	"description": "Code snippets for React Hooks",
 	"version": "3.1.2",
-	"icon": "icon.png",
+	"icon": "assets/icon.png",
 	"publisher": "AlDuncanson",
 	"repository": {
 		"type": "git",