doc: updated installation instructions

README.md

@@ -6,7 +6,13 @@
 
 ### Install
 
-pip install git+https://git.yandrik.dev/abawo/tryton_account_de_skr04.git@959ae8d94807660910c134b6fc374d88f82c97b1
+1. Clone the repo into the modules folder (docker: `/usr/local/lib/python3.9/dist-packages/trytond/modules/`)
+2. Update module list
+	- `trytond-admin --update-modules-list`
+	- `trytond-admin -u tryton_account_de_skr04 --activate-dependencies`
+After these two steps, everything should work, at least in theory.
+
+(doesn't work at the moment:  `pip install git+https://git.yandrik.dev/abawo/tryton_account_de_skr04.git@959ae8d94807660910c134b6fc374d88f82c97b1`)
 
 ### Requires
 

account_type_template.xml

@@ -218,14 +218,14 @@ this repository contains the full copyright notices and license terms. -->
             <field name="parent" ref="type_1510"/>
             <field name="sequence" eval="10"/>
             <field name="statement">balance</field>
-            <field name="receivable" eval="True"/>
+		    <!-- <field name="receivable" eval="True"/> doesn't exist anymore in Tryton 6.4 -->
         </record>
         <record id="type_1535" model="account.account.type.template">
             <field name="name">davon mit einer Restlaufzeit von mehr als einem Jahr</field>
             <field name="parent" ref="type_1530"/>
             <field name="sequence" eval="10"/>
             <field name="statement">balance</field>
-            <field name="receivable" eval="True"/>
+		    <!-- <field name="receivable" eval="True"/> doesn't exist anymore in Tryton 6.4 -->
         </record>
         <record id="type_1540" model="account.account.type.template">
             <field name="name">Forderungen gegen verbundene Unternehmen</field>