feat: split plugin builds

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Introduced containerized plugin deployment support with updated Docker
Compose configurations.
- Added continuous build watch modes for API, web, and UI components for
smoother development iterations.
  - Added a new job for API testing in the CI/CD workflow.
- Added a new shell script to determine the local host's IP address for
Docker configurations.
- Introduced a new entry point and HTTP server setup in the plugin's
Docker environment.
- Added new scripts for building and watching plugin changes in
real-time.
- Added a new script for building the project in watch mode for the API
and UI components.

- **Improvements**
- Streamlined the plugin installation process and refined release
workflows for a more reliable user experience.
- Enhanced overall CI/CD pipelines to ensure efficient, production-ready
deployments.
- Updated artifact upload paths and job definitions for clarity and
efficiency.
- Implemented new utility functions for better URL management and
changelog generation.
- Modified the `.dockerignore` file to ignore all contents within the
`node_modules` directory.
- Added new constants and functions for managing plugin paths and
configurations.
- Updated the build process in the Dockerfile to focus on release
operations.

- **Tests**
- Expanded automated testing to validate environment setups and build
stability, ensuring higher reliability during updates.
- Introduced new test suites for validating plugin environment setups
and configurations.
- Added tests for validating environment variables and handling of
manifest files.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Michael Datelle <mdatelle@icloud.com>
Co-authored-by: mdatelle <mike@datelle.net>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: Pujit Mehrotra <pujit@lime-technology.com>

plugin/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:22-bookworm-slim AS builder
+FROM node:22-bookworm-slim AS plugin-builder
 
 # Install build tools and dependencies
 RUN apt-get update -y && apt-get install -y \
@@ -18,8 +18,17 @@ WORKDIR /app
 
 COPY package.json ./
 
-RUN npm install --include=dev
+RUN corepack enable && pnpm install
 
-COPY . .
+# Install a simple http server
+RUN npm install -g http-server
 
-CMD ["npm", "run", "build"]
+# Expose port 8080
+EXPOSE 8080
+
+COPY scripts/entrypoint.sh /start.sh
+RUN chmod +x /start.sh
+
+ENTRYPOINT [ "/start.sh" ]
+
+CMD [ "pnpm", "run", "build:watcher" ]