docs(tutorial/step0): display list correctly

Two bullet points were indented causing the entire lines
to be formatted as code by markdown.
Decreased indentation level by one, as it seems this was not the intention.

Closes angular#12035

Author: josherick

docs/content/tutorial/step_00.ngdoc

@@ -91,22 +91,22 @@ being the element on which the `ngApp` directive was defined.
 
           Nothing here {{'yet' + '!'}}
 
-  This line demonstrates two core features of Angular's templating capabilities:
+This line demonstrates two core features of Angular's templating capabilities:
 
-    * a binding, denoted by double-curlies `{{ }}`
-    * a simple expression `'yet' + '!'` used in this binding.
+  * a binding, denoted by double-curlies `{{ }}`
+  * a simple expression `'yet' + '!'` used in this binding.
 
-  The binding tells Angular that it should evaluate an expression and insert the result into the
-  DOM in place of the binding. Rather than a one-time insert, as we'll see in the next steps, a
-  binding will result in efficient continuous updates whenever the result of the expression
-  evaluation changes.
+The binding tells Angular that it should evaluate an expression and insert the result into the
+DOM in place of the binding. Rather than a one-time insert, as we'll see in the next steps, a
+binding will result in efficient continuous updates whenever the result of the expression
+evaluation changes.
 
-  {@link guide/expression Angular expression} is a JavaScript-like code snippet that is
-  evaluated by Angular in the context of the current model scope, rather than within the scope of
-  the global context (`window`).
+{@link guide/expression Angular expression} is a JavaScript-like code snippet that is
+evaluated by Angular in the context of the current model scope, rather than within the scope of
+the global context (`window`).
 
-  As expected, once this template is processed by Angular, the html page contains the text:
-  "Nothing here yet!".
+As expected, once this template is processed by Angular, the html page contains the text:
+"Nothing here yet!".
 
 ## Bootstrapping AngularJS apps