update docs

docs/10_🤔_Why.md

-# What problem does it solve?
+## What problem does it solve?
 
 I have a few php based projects with or without a database.
 
@@ -15,6 +15,6 @@ The init script:
 * opens a console
 * starts php lint
 
-# What problems does it not solve?
+## What problems does it not solve?
 
 It is a script for a dual container and Apache + PHP and (optional) Mariadb only for a local LAMP dev environment. Nothing else.

docs/20_✅_Requirements.md

-## Requirements ##
+## Requirements
 
 It was tested on Linux only.
 

docs/30_🪄_Init_a_new_project.md

 
-## How to use this template ##
+## How to use this template
 
-### Create a new project folder ###
+### Create a new project folder
 
 Copy downloaded and extracted folder to a new name:
 
@@ -41,7 +41,7 @@ The initial file structure looks like this:
 └── readme.md
 ```
 
-### Edit variables and files ###
+### Edit variables and files
 
 * edit ```./docker/init.sh.cfg``` ... and edit
   * ```APP_NAME=my_new_app```
@@ -53,7 +53,7 @@ The initial file structure looks like this:
 * edit php settings in ```./docker/templates/extra-php.ini```
 * edit mysql settings in ```./docker/templates/my.cnf```
 
-### First start ###
+### First start
 
 * start init script in the docker folder: ```./docker/init.sh```
   * use `g` to remove git data of the starterkit
@@ -61,13 +61,13 @@ The initial file structure looks like this:
   * use `t` to generate config files from templates with the settings from ./docker/init.sh.cfg
   * use `u` to bring up the container (OR run ```docker-compose up -d``` )
 
-### Edit files ###
+### Edit files
 
 * If the container was started you can ...
   * open in your browser http://localhost:8001 to access ```./public_html/```
   * edit files with the IDE of your choice
 
-### Remarks ###
+### Remarks
 
 You can start ./docker/init.sh with a single letter in the interactive menu too, i.e. ```./docker/init.sh u``` to bring up the docker instance.