Update README with info about template tags

README.md

@@ -13,7 +13,7 @@ The current version of this package ships the following own stuff and awesome th
 ### Own stuff
 
 - CD Content like Images under `static/hshassets/img/hsh_brand`
-- [Bulma styled forms](https://lab.it.hs-hannover.de/django/hshassets/wikis/bulma-styled-forms), feels like CrispyForms
+- Form renderer (like CrispyForms)
 
 ### Third party libraries
 
@@ -140,3 +140,30 @@ To help you with the development, there are two command available:
   does the exact same as the command before, but doesn't stop at the end. It will continuously watch for changes on
   `*.js`, `*.sass`, `*.scss`, `*.css` files and everything at `img/` and `fonts/` to re-compile -minify and -copy
   the changed files
+
+## Forms
+Example:
+```python
+class UnlockForm(forms.Form):
+    username = forms.CharField(
+        max_length=400,
+        widget=forms.TextInput(attrs={"placeholder": _("username"), "icon": "fa-user"}),
+        label="",  # empty, not None
+    )
+```
+```jinja2
+{% load bulma %}
+{% trans "Send" as submit_text %}
+{% bulma_form form submit_text=submit_text %}
+```
+To change styles and icons of the submit button: `bulma_form` with something like
+```jinja2
+{% bulma_form form submit_icon="fa-hand-spock-o" submit_class="button is-danger" %}
+```
+Or you can use these template tags for a DIY form:
+```jinja2
+{% load bulma %}
+{% bulma_form_errors form %}
+{% bulma_form_fields form %}
+{% bulma_submit_button %}
+```