TS wraps don't build due to missing pwr cli

[krisbitney]

Describe the bug

> docker run --rm -v /Users/kris/WebstormProjects/monorepo/packages/templates/wasm/typescript/.polywrap/wasm/build/project:/project -v /Users/kris/WebstormProjects/monorepo/packages/templates/wasm/typescript/.polywrap/wasm/build/linked-packages:/linked-packages polywrap/vm-base-js:0.1.0 /bin/bash --verbose /project/polywrap-build.sh
Unable to find image 'polywrap/vm-base-js:0.1.0' locally

0.1.0: Pulling from polywrap/vm-base-js

20274425734a: Already exists

f475ed9a033c: Pulling fs layer
eaca3bcecbd1: Pulling fs layer
dab2e8cf2524: Pulling fs layer

dab2e8cf2524: Verifying Checksum
dab2e8cf2524: Download complete

eaca3bcecbd1: Verifying Checksum

eaca3bcecbd1: Download complete

f475ed9a033c: Verifying Checksum

f475ed9a033c: Download complete

f475ed9a033c: Pull complete

eaca3bcecbd1: Pull complete

dab2e8cf2524: Pull complete

Digest: sha256:f47a651cf8cd6927831a7cf94f29eec068bc316bd57270e8dc9e978c27f1597f

Status: Downloaded newer image for polywrap/vm-base-js:0.1.0

set -e

/root/.pwr/bin/pwr js build -f ./bundled/wrap.js -o build

/project/polywrap-build.sh: line 3: /root/.pwr/bin/pwr: No such file or directory

❌ Failed to compile Polywrap: {
  "stdout": "",
  "stderr": "Unable to find image 'polywrap/vm-base-js:0.1.0' locally\n0.1.0: Pulling from polywrap/vm-base-js\n20274425734a: Already exists\nf475ed9a033c: Pulling fs layer\neaca3bcecbd1: Pulling fs layer\ndab2e8cf2524: Pulling fs layer\ndab2e8cf2524: Verifying Checksum\ndab2e8cf2524: Download complete\neaca3bcecbd1: Verifying Checksum\neaca3bcecbd1: Download complete\nf475ed9a033c: Verifying Checksum\nf475ed9a033c: Download complete\nf475ed9a033c: Pull complete\neaca3bcecbd1: Pull complete\ndab2e8cf2524: Pull complete\nDigest: sha256:f47a651cf8cd6927831a7cf94f29eec068bc316bd57270e8dc9e978c27f1597f\nStatus: Downloaded newer image for polywrap/vm-base-js:0.1.0\nset -e\n\n/root/.pwr/bin/pwr js build -f ./bundled/wrap.js -o build\n/project/polywrap-build.sh: line 3: /root/.pwr/bin/pwr: No such file or directory\n"
}
error Command failed with exit code 1.