Merge pull request #2271 from pi-hole/feature/installer_spacing

Start changes to new code style for repository. Revise basic installer.sh spacing.

.editorconfig

@@ -9,7 +9,7 @@ end_of_line = lf
 insert_final_newline = true
 indent_style = space
 indent_size = tab
-tab_width = 2
+tab_width = 4
 charset = utf-8
 trim_trailing_whitespace = true
 

.idea/codeStyles/Project.xml

@@ -1,11 +1,5 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
-    <option name="OTHER_INDENT_OPTIONS">
-      <value>
-        <option name="INDENT_SIZE" value="2" />
-        <option name="TAB_SIZE" value="2" />
-      </value>
-    </option>
     <MarkdownNavigatorCodeStyleSettings>
       <option name="RIGHT_MARGIN" value="72" />
     </MarkdownNavigatorCodeStyleSettings>