Add TCP Middlewares support

docs/content/middlewares/addprefix.md

@@ -1,67 +0,0 @@
-# Add Prefix
-
-Prefixing the Path 
-{: .subtitle }
-
-![AddPrefix](../assets/img/middleware/addprefix.png) 
-
-The AddPrefix middleware updates the path of a request before forwarding it.
-
-## Configuration Examples
-
-```yaml tab="Docker"
-# Prefixing with /foo
-labels:
-  - "traefik.http.middlewares.add-foo.addprefix.prefix=/foo"
-```
-
-```yaml tab="Kubernetes"
-# Prefixing with /foo
-apiVersion: traefik.containo.us/v1alpha1
-kind: Middleware
-metadata:
-  name: add-foo
-spec:
-  addPrefix:
-    prefix: /foo
-```
-
-```yaml tab="Consul Catalog"
-# Prefixing with /foo
-- "traefik.http.middlewares.add-foo.addprefix.prefix=/foo"
-```
-
-```json tab="Marathon"
-"labels": {
-  "traefik.http.middlewares.add-foo.addprefix.prefix": "/foo"
-}
-```
-
-```yaml tab="Rancher"
-# Prefixing with /foo
-labels:
-  - "traefik.http.middlewares.add-foo.addprefix.prefix=/foo"
-```
-
-```toml tab="File (TOML)"
-# Prefixing with /foo
-[http.middlewares]
-  [http.middlewares.add-foo.addPrefix]
-    prefix = "/foo"
-```
-
-```yaml tab="File (YAML)"
-# Prefixing with /foo
-http:
-  middlewares:
-    add-foo:
-      addPrefix:
-        prefix: "/foo"
-```
-
-## Configuration Options
-
-### `prefix`
-
-`prefix` is the string to add before the current path in the requested URL.
-It should include a leading slash (`/`).