Prepare for the first realese and list the todos for the new dashboard

[warjiang]

What would you like to be added:
Thus we already implementd cluster、resource、kind of strategy management(including propagation policy) and basic configuration of dashboard(including helm and docker registry), so I want to

some snapshot of the current work as following:

• overview:
  
• Multi cloud resource management:
  namespace:
  
  deployment:
  
  statefulset:
  
  cronjob:
  
  service:
  
  configmap:
  
  namespaced propagation policy:
  
  cluster-wide propagation policy:
  
• cluster management:
  

Why is this needed:
Wants to list todos for the first release

• full translation of i18n text
• i18n-cli(may be wip) will be ok Add: add i18n and translator features #131
• Prepare the pr of complement work and waiting for review
  • workload(100% deployment、statefulset、daemonset are done, cronjob、job are on the way, pr for api was already merged, only one pr for ui management should be merged) feat: add api for job resource #111 & feat: add api for cronjob resources #112 & feat: add ui for job and cronjob #137
  • sevice(100% the related api has been merged) UI for service #139
  • config(100% finished configmap & secret) secret manage #99
• Expose service through ingress or nodeport, or let the end-user select https://github.com/karmada-io/dashboard/pull/104/files
• Override policy, which will be implemented by ospp. Currently, we've already finished the work by ourselves.
• Configuration of karmada components
  this will be hold on, and will be implemented by community contributors -> Doc: add proposal for config page  #84
• New readme for the refactored karmada dashboard doc: add new version of readme #105
• Remove the old one Remove unused code #130
• dogfooding the new dashboard