[Profiles] Add printer profiles for Eryone Er20 (Marlin and Klipper configuration) (#10607)

* add printer profiles for Eryone Er20 (Marlin and Klipper) :
- machine_model_list: ER20, ER20 Klipper
- nozzle printer profiles: 0.2, 0.4, 0.5, 0.6, 0.8
- added Bambulab and Sunlu filament profiles per nozzle size
- cover images
- buildplate_model

* changed machine configuration: gcode flavur marlin to marlin2, gcodes and limits

* changed process configuration: added more values as default , fixed speeds and accel

* changed process configuration: fixed width values for 0.5 nozzle

* process configuration syntax fix

* deleted default print profile

* changes machine config: added  default standard print profile to each nozzle size

* machine conf: fixed nozzle size and variant

* machine conf: fixed max yerk settings

* process conf: fixed layer height

* process confs reorganized , tuned jerk, accel values

* process conf: changed initial layer speed

* cover images without background color

* process conf klipper: changed default jerk settings

* deleted duplicate of generic pla filament

* filaments: deleted filament start/end code

* removed incorrect filament retraction length values ​​for the filaments

* deleted Bambulab and Sunlu filaments

* process conf: set default skirt_loop  to 0

* machine conf: changed retract wipe settings, modified start /end code

* machine conf: changed retract /wipe settings

* deleted Bambulab / SUNLU filaments from Eryone.json

* version number adapted and reorganized

* Update Eryone.json merge commits

* fix duplicate, conflict key errors

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Co-authored-by: Ioannis Giannakas <59056762+igiannakas@users.noreply.github.com>

resources/profiles/Eryone/machine/ER20/Eryone ER20.json

@@ -0,0 +1,11 @@
+{
+  "bed_model": "eryone_er20_buildplate_model.stl",
+  "bed_texture": "Eryone ER20_texture.png",
+  "family": "Eryone",
+  "hotend_model": "",
+  "machine_tech": "FFF",
+  "model_id": "Eryone ER20",
+  "name": "Eryone ER20",
+  "nozzle_diameter": "0.4;0.2;0.5;0.6;0.8",
+  "type": "machine_model"
+}