refactor(core): moving the core library into an isolated package (#725)

* feat: pulling the core library out into a separate package

* refactor(core): splitting the core library out into an isolated package

* docs: adding a readme to core

* refactor: cleaning up the test-utils pkg

* chore: config cleanup

* fix: moving `@api/core` to be a devdep

* Update packages/core/README.md

Co-authored-by: Kanad Gupta <8854718+kanadgupta@users.noreply.github.com>

---------

Co-authored-by: Kanad Gupta <8854718+kanadgupta@users.noreply.github.com>

.eslintignore

@@ -1,12 +1,13 @@
 !.alexrc.js
 
-# api subpackage
-packages/api/coverage/
-packages/api/dist/
+packages/**/coverage/
+packages/**/dist/
+
+# api
 packages/api/test/__fixtures__/sdk/
 
-# httpsnippet-client-api subpackage
-packages/httpsnippet-client-api/coverage/
-packages/httpsnippet-client-api/dist/
-packages/httpsnippet-client-api/node_modules/
+# httpsnippet-client-api
 packages/httpsnippet-client-api/test/__datasets__/**/output.js
+
+# test-utils
+packages/test-utils/fixtures/

.prettierignore

@@ -1,17 +1,11 @@
 CHANGELOG.md
+packages/**/coverage/
+packages/**/dist/
 
-# api subpackage
+# api
 packages/api/.api/
-packages/api/coverage/
-packages/api/.eslint*
-packages/api/.gitignore
-packages/api/.prettier*
-packages/api/CHANGELOG.md
-packages/api/dist/
 packages/api/example.js
 packages/api/test/__fixtures__/sdk/
 
-# httpsnippet-client-api subpackage
-packages/httpsnippet-client-api/coverage/
-packages/httpsnippet-client-api/dist/
+# httpsnippet-client-api
 packages/httpsnippet-client-api/test/__datasets__/**/output.js