feat: add building of SNJS Docker image for e2e testing purposes (#1225)

* feat: add building of SNJS Docker image for e2e testing purposes

* fix: contents of snjs package

* feat: add running e2e test suite

* fix: include mocha directory in the snjs yarn package

* fix: add triggering e2e tests with specific image tag

* fix: mocha tests url

* fix: add tests before publishing new version

* fix: temporary skip linter errors

* Revert "fix: temporary skip linter errors"

This reverts commit c989536930a291677f6ef8cad402feb13f066b8c.

* fix: replace test libraries with unpkg CDN versions

* fix: update yarn lock and remove cached libs

* fix: add missing library to mocha tests

* fix: restore chai-as-promised built version

* fix: serving sncrypto-web in mocha test suite

* fix: add copy of sncrypto-web to gitignore files

.yarnrc.yml

@@ -24,5 +24,7 @@ plugins:
     spec: "@yarnpkg/plugin-workspace-tools"
   - path: .yarn/plugins/@yarnpkg/plugin-version.cjs
     spec: "@yarnpkg/plugin-version"
+  - path: .yarn/plugins/@yarnpkg/plugin-docker-build.cjs
+    spec: "https://github.com/Dcard/yarn-plugins/releases/latest/download/plugin-docker-build.js"
 
 yarnPath: .yarn/releases/yarn-3.2.1.cjs