Fix links for docs (#2908)

* fix docs paths

* docsLink directive

* fix: bugs (#2909)

---------

Co-authored-by: Alex Inkin <alexander@inkin.ru>

web/projects/shared/src/directives/docs-link.directive.ts

@@ -0,0 +1,31 @@
+import {
+  computed,
+  Directive,
+  inject,
+  InjectionToken,
+  input,
+} from '@angular/core'
+
+const HOST = 'https://staging.docs.start9.com'
+export const VERSION = new InjectionToken<string>('VERSION')
+
+@Directive({
+  selector: '[docsLink]',
+  standalone: true,
+  host: {
+    target: '_blank',
+    rel: 'noreferrer',
+    '[href]': 'url()',
+  },
+})
+export class DocsLinkDirective {
+  private readonly version = inject(VERSION)
+
+  readonly href = input.required<string>()
+
+  protected readonly url = computed(() => {
+    const path = this.href()
+    const relative = path.startsWith('/') ? path : `/${path}`
+    return `${HOST}${relative}?os=${this.version}`
+  })
+}