Support translation for login form placeholders (#425)

* Adds i18n locale to login form placeholders.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update starlette_admin/translations/fr/LC_MESSAGES/admin.po

Co-authored-by: Jocelin Hounon <hounonj@gmail.com>

* Update starlette_admin/translations/ru/LC_MESSAGES/admin.po

Co-authored-by: Jocelin Hounon <hounonj@gmail.com>

* Remove fuzzy keywords.

* Some google translations for russian.

* Update starlette_admin/translations/fr/LC_MESSAGES/admin.po

* Translation for fr.

* compiled.

* Update starlette_admin/templates/login.html

Co-authored-by: Jocelin Hounon <hounonj@gmail.com>

* Update starlette_admin/templates/login.html

Co-authored-by: Jocelin Hounon <hounonj@gmail.com>

* Remove the unnecessary translations

* update changelog

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jocelin Hounon <hounonj@gmail.com>

Author: 3 people

docs/changelog/index.md

@@ -19,6 +19,8 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ### Fixed
 
+* Support translation for login form placeholders by [@hasansezertasan](https://github.com/hasansezertasan)
+  in [#425](https://github.com/jowilf/starlette-admin/pull/425)
 * Update AuthMiddleware for Compatibility with Starlette >= 0.33 by [@jowilf](https://github.com/jowilf)
   in [#427](https://github.com/jowilf/starlette-admin/pull/427)
 * Fixes actions docstrings

starlette_admin/templates/login.html

@@ -33,7 +33,7 @@ <h2 class="card-title text-center mb-4">{{ _("Login to your account") }}</h2>
                     <input type="text"
                            name="username"
                            class="form-control {% if form_errors and form_errors.has('username') %}is-invalid{% endif %}"
-                           placeholder="Enter username"
+                           placeholder="{{ _('Username') }}"
                            autocomplete="off"/>
                     {% if form_errors and form_errors.has('username') %}
                         <div class="invalid-feedback">{{ form_errors.msg('username') }}</div>
@@ -44,7 +44,7 @@ <h2 class="card-title text-center mb-4">{{ _("Login to your account") }}</h2>
                     <input type="password"
                            name="password"
                            class="form-control {% if form_errors and form_errors.has('password') %}is-invalid{% endif %}"
-                           placeholder="Password"
+                           placeholder="{{ _('Password') }}"
                            autocomplete="off"/>
                     {% if form_errors and form_errors.has('password') %}
                         <div class="invalid-feedback">{{ form_errors.msg('password') }}</div>