Update README.md
Update README.md
add libremap-instances.json
cleanup rewrites, add routers_by_name_community
[doc] add routers_by_location
[doc] routers_by_location
[doc] by_alias
[api] add by_id filter fun
[doc] add filter: by_id_or_bbox
[api] fix rewrites
[webui] bbox-collection fetch
[api] add live updates in BboxCollection
[api] cleanup watch()
[api] live updates: monitor bbox and outside ids
[api] rewrite strip with underscore
[api] fix routers_by_alias views
[webui] fetch links via aliases
[README] add mailing list
Merge branch 'bbox-collection'

* bbox-collection:
  [webui] fetch links via aliases
  [api] fix routers_by_alias views
  [api] rewrite strip with underscore
  [api] live updates: monitor bbox and outside ids
  [api] cleanup watch()
  [api] add live updates in BboxCollection
  [webui] bbox-collection fetch
[webui] yey, add "under construction"!