Publish pmg to npm (#50)

* feat: pmg publish to npm

* feat: add github action for publishing to npm

* Update publish/npm/install.js

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Sahil Bansal <bansalsahil315@gmail.com>

* Update .github/workflows/publish-npm.yml

Co-authored-by: Omkar Phansopkar <omkarphansopkar@gmail.com>
Signed-off-by: Sahil Bansal <bansalsahil315@gmail.com>

* refactor: define constants

* refactor: improve npm package reliability with removing dynamic handlers and better error handling and validation

* fix: publish-npm workflow

* Update publish/npm/test.js

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Sahil Bansal <bansalsahil315@gmail.com>

* refactor(npm-workflow): use a more portable loop construct

* refactor: remove version field from package.json

* feat: use os.tmpdir() with mkdtempSync for cleaner temp directory handling

* fix: add redirect limit and cleanup to prevent infinite redirects and resource leaks

* remove test.js for npm publisher pack

* chore: test cmd cleanup

---------

Signed-off-by: Sahil Bansal <bansalsahil315@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Omkar Phansopkar <omkarphansopkar@gmail.com>

publish/npm/.npmignore

@@ -0,0 +1,17 @@
+# Exclude the actual binary (but keep the wrapper script)
+bin/pmg
+bin/pmg.exe
+
+# Exclude temp files and directories
+temp/
+.temp/
+
+# Exclude development files
+node_modules/
+.git/
+.gitignore
+*.log
+.DS_Store
+
+# Keep only the wrapper script in bin/
+!bin/pmg.js