fix(nano): use relative __hyper__ dir for storage and write permissions

Before, this was using `Deno.env.get("TMPDIR")`, but since `TMPDIR`
can change, there wasn't a way to compile
hyper nano into a binary with specific write permissions a predetermined
directory.

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 .env
 .eslintcache
+__hyper__

images/nano/Makefile

@@ -11,13 +11,13 @@ clean:
 	@rm -rf ./build
 
 compile-linux:
-	@deno compile --target=x86_64-unknown-linux-gnu --allow-env --allow-read --allow-write=/tmp/hyper --allow-net --unstable --no-check=remote --output ./build/hyper-x86_64-unknown-linux-gnu mod.js
+	@deno compile --target=x86_64-unknown-linux-gnu --allow-env --allow-read --allow-write=__hyper__ --allow-net --unstable --no-check=remote --output ./build/hyper-x86_64-unknown-linux-gnu mod.js
 
 compile-apple:
-	@deno compile --target=x86_64-apple-darwin --allow-env --allow-read --allow-write=/tmp/hyper --allow-net --unstable --no-check=remote --output ./build/hyper-x86_64-apple-darwin mod.js
+	@deno compile --target=x86_64-apple-darwin --allow-env --allow-read --allow-write=__hyper__ --allow-net --unstable --no-check=remote --output ./build/hyper-x86_64-apple-darwin mod.js
 
 compile-arch-apple:
-	@deno compile --target=aarch64-apple-darwin --allow-env --allow-read --allow-write=/tmp/hyper --allow-net --unstable --no-check=remote --output ./build/hyper-aarch64-apple-darwin mod.js
+	@deno compile --target=aarch64-apple-darwin --allow-env --allow-read --allow-write=__hyper__ --allow-net --unstable --no-check=remote --output ./build/hyper-aarch64-apple-darwin mod.js
 
 compile-windows:
-	@deno compile --target=x86_64-pc-windows-msvc --allow-env --allow-read --allow-write=/tmp/hyper --allow-net --unstable --no-check=remote --output ./build/hyper-x86_64-pc-windows-msvc mod.js
+	@deno compile --target=x86_64-pc-windows-msvc --allow-env --allow-read --allow-write=__hyper__ --allow-net --unstable --no-check=remote --output ./build/hyper-x86_64-pc-windows-msvc mod.js

images/nano/dir.js

@@ -1,7 +1,6 @@
 import { join } from "./deps.js";
 
-const TMPDIR = Deno.env.get("TMPDIR") || "/tmp";
-export const DIR = join(TMPDIR, "hyper");
+export const DIR = join(".", "__hyper__");
 
 export async function reload(purge = false) {
   if (purge) {