feat: edit link docs repo subpath

alertText = "Introducing the Doks child theme, several DX + UX updates, and more! <a class=\"alert-link stretched-link\" href=\"https://getdoks.org/blog/doks-v0.2/\">Check out Doks v0.2</a>"

# Edit Page

# repoHost [Github | Gitea | GitLab] is used for building the edit link based on git hoster

# repoHost [Github | Gitea | GitLab | Bitbucket ] is used for building the edit link based on git hoster

repoHost = "GitHub"

#repoHost = "Gitea"

docsRepo = "https://github.com/h-enk/doks"

docsRepoBranch = "master"

docsRepoSubPath = ""

editPage = false

lastMod = false

{{ $parts := slice .Site.Params.docsRepo }}

{{ $filePath := replace .File.Path "\\" "/" }}

{{ $editPath := "null" }}

{{ if (eq .Site.Params.repoHost "GitHub") }}

  {{ $editPath = "/blob/" }}

  {{ $parts = $parts | append "blob" .Site.Params.docsRepoBranch }}

{{ else if (eq .Site.Params.repoHost "Gitea") }}

  {{ $editPath = "/_edit/" }}

  {{ $parts = $parts | append "_edit" .Site.Params.docsRepoBranch }}

{{ else if (eq .Site.Params.repoHost "GitLab") }}

  {{ $editPath = "/-/blob/" }}

  {{ $parts = $parts | append "-/blob" .Site.Params.docsRepoBranch }}

{{ else if (eq .Site.Params.repoHost "Bitbucket") }}

  {{ $parts = $parts | append "browse" .Site.Params.docsRepoBranch }}

{{ end }}

{{ $contentPath := print .Site.Params.docsRepo $editPath .Site.Params.docsRepoBranch "/content/" }}

{{ $url := print $contentPath .Lang "/" $filePath }}

{{ if isset .Site.Params "docsreposubpath" }}

  {{ if not (eq .Site.Params.docsRepoSubPath "") }}

    {{ $parts = $parts | append .Site.Params.docsRepoSubPath }}

  {{ end }}

{{ end }}

{{ if .Site.Params.options.multilingualMode }}

  {{ $parts = $parts | append "content" .Lang $filePath }}

{{ else }}

  {{ $parts = $parts | append "content" $filePath }}

{{ end }}

{{ $url := delimit $parts "/" }}

<div class="edit-page">

  <a href="{{ $url }}">