chore: Add docs and readme link

Author: Danevandy99

docs/rules/no-subscribe-in-pipe.md

@@ -0,0 +1,35 @@
+# Avoid `subscribe` calls inside `pipe` operators (`no-subscribe-in-pipe`)
+
+This rule effects failures if `subscribe` is called within any operator inside a `pipe` operation.
+
+## Rule details
+
+Examples of **incorrect** code for this rule:
+
+```ts
+import { of } from "rxjs";
+import { map } from "rxjs/operators";
+
+of(42, 54).pipe(
+  map(value => {
+    of(value).subscribe(console.log); // This will trigger the rule
+    return value * 2;
+  })
+).subscribe(result => console.log(result));
+```
+
+Examples of **correct** code for this rule:
+
+```ts
+import { of } from "rxjs";
+import { map, tap } from "rxjs/operators";
+
+of(42, 54).pipe(
+  tap(value => console.log(value)),
+  map(value => value * 2)
+).subscribe(result => console.log(result));
+```
+
+## Options
+
+This rule has no options.