docs(website): improve docs on run and some typing

Author: christianalfoni

packages/overmind-website/api/pipe.md

@@ -57,6 +57,13 @@ The pipe is an operator in itself. Use it to compose other operators and pipes.
 h(Example, { name: "api/pipe_pipe" })
 ```
 
+## run
+This operator is useful to run effects. It will just pass the current value a long.
+
+```marksy
+h(Example, { name: "api/pipe_run" })
+```
+
 ## wait
 Hold execution for set time.
 

packages/overmind-website/examples/api/pipe_map.ts

@@ -4,8 +4,9 @@ export default (ts) =>
         {
           code: `
 import { map } from 'overmind'
+import { User } from './state'
 
-export const getUser = map(({ api }) => api.getUser())
+export const getUser = map<string, User>(({ api }) => api.getUser())
 `,
         },
       ]

packages/overmind-website/examples/api/pipe_run.ts

@@ -0,0 +1,20 @@
+export default (ts) =>
+  ts
+    ? [
+        {
+          code: `
+import { run } from 'overmind'
+
+export const doSomething = run<string>(({ someEffect }) => someEffect.run())
+`,
+        },
+      ]
+    : [
+        {
+          code: `
+import { run } from 'overmind'
+
+export const doSomething = run(({ someEffect }) => someEffect.run())
+`,
+        },
+      ]