* fix(ci): make all SSR-related jobs as optional

* fix(docs): update documentation about 6.0.0 and angular versions

feat(doc): add a more descriptive slack button! #5453

* Fixed broken image link for 'Sauce Labs'

* Saucelabs image link replaced

* feat(common): add compatibility table

* feat(support): add info about supporting and donate

* fix(landing): fix cypress tests after chahge langing

* fix(getting-started): change component and route getting-started to documentation

* feat(demo): update landing page

* fix(landing): fix cypress tests after chahge langing
Closes #4970

* Add guide for setting up the bootstrap version manually

* Update docs for setting up the bootstrap version manually

* Update README.md

* Update getting-started.component.html

* docs(documentation): update readme and bootstrap.md files

* docs(readme): fix conflicts

* docs(readme): fix conflicts

* docs(getting-started): update readme.md and bootstrap.md files

* docs(getting-started): update readme.md and bootstrap.md files according to the comments

* feat(universal): first implementation of universal support

* feat(demo): add universal docs, move useHash to env var

* refactor(demo): fix base href, move universal scripts to subdir

* perf(demo): add gzip compression

* test gcp deploy

* fix(tabs): use renderer instead native methods

removed empty bullet item in links

* chore(contributing): add CONTRIBUTING.md, remove unnecessary command in build manual

* chore(contribuing): add slack, new issue, new pr links, fix markup

* feat(docs): add versioning implementation

* refactor(docs): remove rimraf, simplify package.json commands

* feat(docs): add docs.archive to gh-pages script

* refactor(docs): remove else, reduce nesting

* feat(docs): docs versioning works with demo.serve

* refactor(docs): deploy and serve from gh-pages, add version check

* refactor(docs): clone/pull via js

* chore(build): simplifed archieve script

* chore(build): more tests

* Docs: add lib build for development steps

* chore(readme)

* chore(package): update dependencies

* docs(readme): add Greenkeeper badge