chore(initial version): add docs pages

closes CAM-548
fix(navigation): fix broken home link
fix(jndi-tomcat): Change resource link type

- change resource link type to org.camunda.bpm.* on tomcat

related to CAM-495, CAM-496
feat(installation): add tasklist installation instructions for glassfish

closes CAM-584
feat(install): Add installation guide for webapps

- add installation guide to install camunda tasklist on tomcat and jboss
- add installation guide to install camunda cockpit on glassfish

related to CAM-366, CAM-371, CAM-440
feat(installation guide): add cycle installation instructions for tomcat
feat(installation guide): add cycle email and encrypting configuration
feat(installation guide): add cycle installation instructions for jboss
feat(installation guide): add cycle install instructions for glassfish
feat(installation guide): add screenshots to glassfish guide

contributes to CAM-602
feat(installation guide): add platform install instructions for jboss
feat(gf31): Add guide to install platform an gf31

related to CAM-440
Merge branch 'master' of github.com:camunda/docs.camunda.org
feat(installation guide): add instructions for pre-built distro
Merge branch 'master' of github.com:camunda/docs.camunda.org
feat(tomcat): Add installation guide

related to CAM-440
fix(style): improve layout for docs pages
Merge branch 'master' of github.com:camunda/docs.camunda.org
fix(migration guide): update with new styles
fix(migration guide): fix code sample